What is the molar mass of C2H6O

Answers

Answer 1

Answer: 46.0684g I think because you have to concert grams to moles or moles to grams

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According to the collision theory and the model created to explain the collision theory, why does a catalyst cause a reaction to speed up?It lowers the required activation energy. It increases the collisions per minute. It increases the average kinetic energy of the particles. It increases the kinetic energy and the collisions per minute.

In a pressure cooker, a lid is screwed tightly onto a pot so that the air pressure in the pot is increased. What effect, if any, will this have on the boiling point of water in the pot?The boiling point will be raised.
The boiling point will be lowered.
The boiling point will be unaffected.
None of the above.

Answers

A liquid boils when it's vapor pressure will be equal to the atmospheric pressure. With the lid on, increases the pressure inside the pot. As an effect, it would take a higher temperature to reach the boiling temperature.

Answer: The boiling point will be raised.

If a lid is screwed on tightly in a pressure cooker, the air pressure is increased. This will make the boiling point of the water to be raised.

HELP WILL REWARD BRAINLIESTMark each Saturated or Unsaturated
2.00 g of PbCl2 at 80°C

100.2 g of NaNO3 at 60°C

128 g of KI at 0°C

75.5 g of LiCl at 20°C

8.22 g of Ba(OH)2 at 40°C

Answers

Answer:

1) unsaturated

2) unsaturated

3) saturated

4) unsaturated

5) saturated

Explanation:

A solution with solute that dissolves until it is unable to dissolve anymore, leaving the undissolved substances at the bottom., is called saturated. Each solution has a certain amount of mass that can dissolve at certain temperature.

A solution with less solute than the saturated solution, that completely dissolves, leaving no remaining substances., is called unsaturated.

A solution ,with more solute than the saturated solution, that contains more undissolved solute than the saturated solution, is called oversaturated.

A) 2.00 g of PbCl2 at 80°C

⇒ At 80 °C this solution is saturated when there is 2.54 grams of PbCl2 in solution

2.00 < 2.54 This solution is unsaturated

B) 100.2 g of NaNO3 at 60°C

⇒ At 60 °C this solution is saturated when there is 122 grams of NaNO3 in solution

100.2 < 122

This solution is unsaturated

C) 128 g of KI at 0°C

⇒ At 0 °C this solution is saturated when there is 128 grams of KI in solution

This solution is saturated

D) 75.5 g of LiCl at 20°C

⇒ At 20 °C this solution is saturated when there is 83.5 grams of LiCl3 in solution

75.5 < 83.5

This solution is unsaturated

E) 8.22 g of Ba(OH)2 at 40°C

⇒ At 40 °C this solution is saturated when there is 8.22 grams of Ba(OH)2 in solution

This solution is saturated

A substance that is made up of two or more elements is called ____.

Answers

A compound or a mixture.
If it is two or more elements are mixed, it is a mixture. If two or more elements are chemically reacted, it is a compound ( example FeS)
Hope this helps.

Which of the following is not a form of heat transfer?A. radiation
B. convection
C. conduction
D. vaporization

Answers

D. Vaporization is not a form of heat transfer. Vaporization refers to a phase change in which a substance changes from a liquid state of matter to a gaseous state.

How is molarity measured?O
A. In liters of water per moles of a dissolved substance
B. In liters of water per gram of a dissolved substance
O
C. In moles of a substance for 1 g of that substance
D. In moles of a substance dissolved in 1 L of water

Answers

Answer:

D. In moles of a substance dissolved in 1 L of water

Explanation:

Just took the test

Final answer:

Molarity is measured in moles of a substance dissolved in 1 L of water.

Explanation:

The molarity is measured in moles of a substance dissolved in 1 liter of water, so the correct option is D. In moles of a substance dissolved in 1 L of water. Molarity is a measure of the concentration of a solute in a solution. It is calculated by dividing the number of moles of solute by the volume of the solution in liters.

Molarity (M) is indeed a measure of the concentration of a solute in a solution and is defined as the number of moles of solute per liter of solution. This means it is measured in "moles of a substance dissolved in 1 liter of solution" or simply "moles/L" or "mol/L." Molarity is a fundamental concept in chemistry and is widely used in various chemical calculations and experiments to express the concentration of a substance in a solution.

Learn more about molarity here:

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Fe2O3+2Al=Al2O3+2Fe A welder has 1.873 × 10^2 g Fe2O3 and 94.51 g Al in his welding kit. Which reactant will he run out of first? (options: Fe2O3 or Al.......it's Fe2O3). How much of this reactant should he order to make sure he runs out of both reactants at the same time? He should order ___g of the limiting reactant.