Chemistry, 26.01.2021 04:30 michaeldragon9663

When copper is heated with an excess of sulfur, copper (I) sulfide is formed. In a given experiment, 1.50 g copper was heated with excess sulfur to yield 1.57 g of copper (I) sulfide. 2 Cu (s) + S (s) --> Cu2S (s)

What is the percent yield?

Answers: 1

Show answers

Another question on Chemistry

Chemistry, 22.06.2019 00:30

Sarah wants to know where in her garden chamomile would grow the best. she thinks chamomile will grow best in the corner of the garden that gets the most sunlight. to test her hypothesis, she decides to plant several groups of chamomile in her garden as an experiment. which of the following variables will sarah need to measure to know which group of plants grew best? a. the location of the plants b. the type of plants c. the height of the plants d. the amount of water she gives the plants

Answers: 1

Answer

Chemistry, 22.06.2019 04:20

Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.

Answers: 1

Answer

Chemistry, 22.06.2019 08:40

For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate

Answers: 3

Answer

Chemistry, 22.06.2019 09:00

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

Answers: 1

Answer

You know the right answer?

When copper is heated with an excess of sulfur, copper (I) sulfide is formed. In a given experiment,...

Questions