Write a suitable title for a graph showing these results.​

Answer:This Should Be the Answer :)

Explanation:

iven: Molar mass of Au = 196.96 g/mol. The Number of moles = 15.3 moles. Hence, 15.3 moles of Au contains 3.01 103 g of Au.

Answer:

it may be helium according to my knowledge

Thermolysis, photolysis, and electrolysis are three different forms of breakdown reactions. A single source was cooked to yield two or more objects in each instance (decomposition).

Decomposition reactions happen when complex chemical entities split apart into smaller components. Decomposition reactions often demand energy input. For instance, the thermal breakdown of potassium hydroxide (KClO3) is a typical technique used during laboratories to generate oxygen gas.

Below is a typical illustration of a thermal breakdown reaction. Calcite breaks down into calcareous dioxide and atmospheric co2 when heated. The production of quick lime, a crucial component in numerous industries, uses this procedure.

To know more about Decomposition reaction visit:

https://brainly.com/question/16987748

#SPJ4

Answer:

95.2 - 40.8 = 54.4 g of oxygen

number of moles = mass (g)/ Mr

no. of moles of carbon = 40.8/12 = 3.4

no. of moles of oxygen = 3.4

divide both by smallest value which is 3.4 and you’ll get 1 mole of carbon and 1 mole of oxygen therefore the empirical formula is CO

Explanation:

hope this helps :)

The empirical formula will be CO.

The simplest entire numeric ratio of elements in a chemical molecule would be its empirical formula.

Calculation of empirical formula

Mass of carbon = 95.2 g

Mass of oxygen = 95.2 - 40.8 = 54.4 g of oxygen

Moles can be determined by using the formula:

number of moles = mass (g)/ Mr

no. of moles of carbon = 40.8/12 = 3.4

no. of moles of oxygen = 3.4

The empirical formula would be CO by dividing mostly by the smallest value, which would be 3.4. This will give you 1 mole of carbon but also 1 mole of oxygen.

Therefore, the empirical formula will be CO.

To know more about empirical formulas

https://brainly.com/question/14044066

#SPJ2

Answer:

Explanation:

In the scenario that is being described the control group would be the 50 men that have been given the placebo because they are the ones that should not have any effects from the placebo and that is by design. The manipulated variable is the new fat-burning pill because it is the one that the scientists can change and modify to try and achieve the desired results. Lastly, the responding variable are the 50 men who are given the new fat-burning pill because they are the ones that will be responding to the effects of the pill and providing the data needed by the scientists.

Answer:

it's volume also decrease

If a system at equilibrium is disturbed by changing the concentration of a reactant or product, the equilibrium will shift to restore the balance.

However, once the system reestablishes equilibrium, the ratio of product to reactant will remain constant, and the value of the equilibrium constant (K) will be unchanged.

The equilibrium constant (K) is a constant value that represents the ratio of the concentrations of products to reactants at equilibrium. It is determined by the stoichiometry of the balanced chemical equation and is independent of the initial concentrations or any changes that occur during the reaction.

When the concentration of a reactant or product is altered, the system will respond by shifting the equilibrium to counteract the disturbance. This shift aims to restore the original ratio of product to reactant, corresponding to the equilibrium constant (K). As a result, once the system reaches a new equilibrium, the value of K remains constant, reflecting the unchanged ratio of product to reactant.

To learn more about equilibrium click here: brainly.com/question/30694482

#SPJ11

Answer:

0.600 is yourr answer and if wrong sorry  

Explanation:

0.600 mol of potassium contain \(3.6 * 10^{23}\) atoms of potassium.

C. 0.600 mol

A mole is the amount (10) of material containing  \(6.022*10^{23}\) particles . This number is also called Avogadro's number.

Given:

Atoms of potassium = \(3.3*10^{23} atoms\)

To find:

Moles of potassium =?

As we know,

\(1 mole = 6.022*10^{23} atoms\\\\1 atom = 1 / 6.022*10^{23} mole\\\\3.3*10^{23} atoms = 1 / 6.022*10^{23} mole * 3.3*10^{23} atoms\\\\3.3*10^{23} atoms=0.600 mol\\\\\)

Thus, 0.600 mol of potassium contain  \(3.6 * 10^{23}\) atoms of potassium.

Therefore, option C is correct.

Find more information about One mole here:

brainly.com/question/15356425

It turned out instead that some carbon 14 from the environment had contaminated the charcoal from the last part, would the true age of the same be (lower) / estimation is younger than its true age  Contaminated samples, naturally, will have inaccurate results.

Radiocarbon dating has revolutionized how we think about the last 50,000 years. In 1949, Professor Willard Libby established the first radiocarbon dates. He later won the Nobel Prize for his work on dating by contrasting the three distinct carbon isotopes. The number of protons in the nuclei of different isotopes of a given element are the same, but the number of neutrons varies. This indicates that they have distinct masses despite having extremely similar chemical properties.

The number superscript denotes the isotope's total mass. The heaviest isotope, 14C (radiocarbon), is radioactive while the lighter isotopes, 12C and 13C, are stable. This indicates that because its nucleus is so massive, it is unstable. 14C decomposes to nitrogen over time (14N). The majority of 14C is created in the upper atmosphere when neutrons from cosmic rays interact with 14N atoms. After that, it undergoes oxidation to produce 14CO2, which is released into the atmosphere where it mixes with 12CO2 and 13CO2. After being utilized by plants for photosynthesis, this CO2 moves up the food chain.

Find out more about Carbon dating

brainly.com/question/29581952

#SPJ4

Based on your understanding of the process of photosynthesis, predict what will happen to a plant leaf that loses CO2 too quickly. This event will have no effect on the rate of photosynthesis in the leaf. Photosynthesis in the leaf will slow down or possibly stop.

Future carbon dioxide concentrations ([CO2]) predictions indicate that plant reactions to atmospheric carbon dioxide will be a major concern. Increased photosynthesis results in higher levels of biomass and carbohydrates produced by plants when [CO2] levels are elevated. Between species as well as within species, different organs receive the extra carbs. These carbohydrates serve as an important source of energy for plant growth, but they also function as signaling molecules and have a variety of other functions besides providing carbon and energy. The greater concentration of carbohydrates generated under increasing [CO2] is currently unknown to have any impact on the sugar sensing and signaling pathways of plants.

Learn more about photosynthesis here:

https://brainly.com/question/2114746

#SPJ4

Answer:

a) club soda is a compound

b) Club soda is a manufactured form of carbonated water, commonly used as a drink mixer. Sodium bicarbonate, potassium sulfate, potassium bicarbonate, potassium citrate, or sodium citrate is artificially added to replicate constituents commonly found in natural mineral waters

Answer:

this lesson you learned that a chemical symbol is a shorthand way to represent an element and that each element on the periodic table has a unique chemical symbol. Chemical symbols are used to standardize the 'language of chemistry' and to identify elements and atoms in a chemical formula easily.23-Dec-2015

Answer:

the average atomic mass for element X is 28

Answer:

Metals are an excellent conductor of electricity and heat because the atoms in the metals form a matrix through which outer electrons can move freely. Instead of orbiting their respective atoms, they form a sea of electrons that surround the positive nuclei of the interacting metal ions.

Explanation:

please mark me brainliest and it was hard making an answer

Answer:

1

all matter is made of tiny particles called atom

Answer:

Bromine gas is heavier than air due to its atomic weight. Being heavier it still floats in the air due to diffusion and collision between the particles of bromine and air molecules. The particles collide with each other, so the two different gases can mix completely with each other.

Explanation:

The correct answer is A. 10-20% of oxygen is dissolved in plasma and 80-90% is transported as oxyhemoglobin in the blood.

Oxygen is transported in the blood primarily through a combination of dissolved oxygen in plasma and oxygen bound to hemoglobin within red blood cells. Approximately 10-20% of oxygen is found dissolved in plasma, while the remaining 80-90% is bound to hemoglobin in the form of oxyhemoglobin. The concentration of oxygen in plasma is determined by the partial pressure of oxygen in the environment, while the amount bound to hemoglobin is determined by the amount of hemoglobin present in the blood. Oxygen can also be transported in the form of bicarbonate and other small molecules.

learn more about bicarbonate refer: https://brainly.com/question/29855231

#SPJ11

complete question: how is oxygen transported in the blood?multiple choice

A.10-20% dissolved in plasma; 80-90% as oxyhemoglobin

B.98-99% dissolved in plasma; 1-2% as oxyhemoglobin

C.50% dissolved in plasma; 50% as oxyhemoglobin

D. 1-2% dissolved in plasma; 98-99% as oxyhemoglobin

The layers of the atmosphere are;

Exosphere - A

Thermosphere - E

Mesosphere - B

Stratosphere - E

Troposphere - C

The troposphere, which is the lowest part of the atmosphere, rises from the surface of the Earth to an average height of roughly 18 kilometers (12 miles) at the equator and 12 kilometers (7.5 miles) in the poles. The majority of the Earth's air mass is present there, making it the location of weather occurrences. In the troposphere, temperature typically drops as altitude rises.

The thermosphere is located above the mesosphere and stretches from a height of around 85 kilometers (53 miles) up to 600 kilometers (370 miles). Due to the incredibly low molecular density in the thermosphere, despite the high temperatures that are there, it does not feel warm. The auroras also appear in this layer.

Learn more about atmosphere:https://brainly.com/question/32274037

#SPJ1

1. (a) Class: carboxylic acid; IUPAC name: propanoic acid. (b) Class: alkyl halide; IUPAC name: chloro-1-propane. (c) Class: alkane; IUPAC name: 1-propanecarbonitrile. (d) Class: ester; IUPAC name: ethyl methanoate.

IUPAC stands for International Union of Pure and Applied Chemistry. It is an international scientific organization responsible for developing and promoting international standards in the fields of chemistry and chemical nomenclature. The IUPAC name of a chemical compound is an unambiguous, systematic method for naming compounds according to their chemical structure and physical properties.

(e) Class: ether; IUPAC name: dimethyl ether. (f) Class: acyl halide; IUPAC name: 1-chloro-2,2-difluoropropane-1-carbonyl chloride.

2. (a) Hexanoic acid: CH3CH2CH2CH2CH2COOH. (b) Butanal: CH3CH2CHO. (c) Pent-1-ene: CH2=CHCH2CH2CH3. (d) 1-bromo-2-methylbutane: CH3CH2CH(Br)CH3. (e) Ethyl methanoate: CH3COOCH2CH3. (f) Methoxypropane: CH3OCH2CH3. (g) But-2-yne: CH3C≡CHCH3.

3. Answer: B. CH3CONH2 is an amine because it contains an amine group (NH2).

4. Answer: A. 1-iodopropane is a member of the same homologous series as 1-bromopropane because they both have the same molecular formula (C3H7Br or C3H7I) and the same functional group (halogen).

To learn more about IUPAC name
https://brainly.com/question/28872356
#SPJ1

Answer:

Explanation:

The density of a substance can be found by using the formula

\(density = \frac{mass}{volume} \\\)

From the question

mass = 100 g

volume = 12 mL

We have

\(density = \frac{100}{12} = \frac{25}{3} \\ = 8.333333...\)

We have the final answer as

Hope this helps you

Answer:

10 pts

Explanation:

1. a) Decantation: It is a technique that involves carefully pouring off a liquid, leaving behind sediment. For example, in a mixture of oil and water, decantation can be used to separate the oil and water layers.

b) Centrifugation: It is a technique that involves the separation of particles from a liquid or solution under centrifugal force. The centrifugal force causes denser particles to separate from the lighter particles.

c) Supernatant: It is a term used to describe the liquid present above a solid or sediment after decantation or centrifugation.

d) Precipitate: It is a solid that forms from a solution during a chemical reaction or by changing physical conditions such as temperature or pressure.

2. The reagents that can be used to identify and confirm Ag, Hg2²⁺, and Pb²⁺ ions are given below:

a) Ag⁺ ions: They can be identified by adding a few drops of hydrochloric acid to the solution. The formation of a white precipitate indicates the presence of Ag⁺ ions.

b) Hg₂²⁺ ions: They can be identified by the formation of a brownish-red precipitate upon the addition of potassium iodide solution.

c) Pb²⁺ ions: They can be identified by the formation of a white precipitate upon the addition of hydrochloric acid and potassium iodide.

It's important to note that confirmatory tests may involve additional reagents and experimental procedures to ensure the accurate identification of these ions. Confirmatory tests are critical to ensure accurate identification of ions and may involve additional reagents and procedures to confirm the results obtained from initial tests. These tests help to eliminate false positives or negatives and provide a more definitive identification of the ion in question. It's crucial to follow established protocols and safety guidelines when performing confirmatory tests to obtain reliable and reproducible results.

Learn more about decantation https://brainly.com/question/30067228

#SPJ11

Answer:

2.38 g of oxygen (O2).

Explanation:

What is given?

Mass of potassium chlorate (KClO3) = 6.06 g.

Molar mass of KClO3 = 122.4 g/mol.

Molar mass of oxygen (O2) = 32 g/mol.

Step-by-step solution:

First, let's state the balanced chemical equation. Remember that the decomposition of a compound produces two or more products:

Now, let's convert 6.06 g of KClO3 to moles using its molar mass:

You can see in the chemical equation that 2 moles of KClO3 produce 3 moles of O2. By doing a rule of three with this data, we obtain that:

The final step is to convert from 0.0743 moles of O2 to grams using its molar mass, like this:

The answer is that we will produce 2.38 g of oxygen (O2) from the decomposition of 6.06 g of potassium chlorate (KClO3).

The molar mass of the monoprotic acid is 93.16 g/mol.

Because the acid (HA) is monoprotic, it reacts with NaOH like this:

\(HA + NaOH\) → \(NaA + H_{2}O\)

The ratio in which HA and NaOH react is 1:1. This means that the amount of NaOH expended will be equal to the amount of acid in the sample.

c = n/V, so n = c x V = 0.0950 M x 0.0300 L = 0.00285 mol of NaOH and HA

From this, we can now calculate the molar mass of the acid.

n = m/M, so M = m/n = 0.2655 g / 0.00285 mol = 93.16 g/mol

You can learn more about monoprotic acids here:
brainly.com/question/18724098

#SPJ4

Answer:

9.133×10^-6 m

Explanation:

A photon is the smallest discrete amount or quantum of electromagnetic radiation. It is the basic unit of all light. Photons are always in motion and, in a vacuum, travel at a constant speed to all observers of 3 x 10^8 m/s.

From the question, the following details were supplied;

Energy of the photon (E) = 4.61×10^−19 J

Speed of light (c) = 2.99×10^8 m/s

Plank's constant (h) = 6.626×10^−34 J⋅s

Wavelength of the photon (λ)= ??? The unknown

From

E=hc/λ

λ= hc/E

Substituting values

λ= 6.626×10^−34 × 2.99×10^8/ 4.61×10^−19

λ= 91.33×10^-7 m

λ= 9.133×10^-6 m

Answer:

80 MOLES OF WATER ARE PRODUCED WHEN 20 MOLES OF PROPANE ARE BURNED IN EXCESS OXYGEN ON A GAS GRILL.

Explanation:

Equation for the reaction:

C3H8 + 5 O2 --------->  4 H2O + 3 CO2 + Heat

The above equation is in the presence of excess oxygen.

In this reaction,

1 mole of propane forms 4 moles of H2O

If 20 moles of propane were to be used, how many moles of water will be produced?

1 mole of propane = 4 moles of water

20 moles of propane = ( 4 * 20 ) moles of water

= 80 moles of water.

So, if 20 moles of propane were burned in excess oxygen, 80 moles of water will be formed. Propane is heavier than air and when properly combusted produces a large amount of heat. It is also non toxic.

80 MOLES OF WATER are produced when 20.0 moles of propane are burned in excess oxygen on a gas grill.

C₃H₈ + 5 O₂ --------->  4 H₂O + 3 CO₂ + Heat

The above equation is in the presence of excess oxygen.

In this reaction, 1 mole of propane forms 4 moles of H₂O

1 mole of propane = 4 moles of water

20 moles of propane = ( 4 * 20 ) moles of water

20 moles of propane= 80 moles of water.

Thus, if 20 moles of propane were burned in excess oxygen, 80 moles of water will be formed.

Find more information about Propane here:

brainly.com/question/26295170

Answer:

The closer a place is to the equator the warmer it is

Explanation:

The equator is the part of the earth that is in the sun the longest and the poles are in the sun for a very short period of time each year. Therefore the equator is the warmest compared to the two poles.