3 years ago

Which of the following has more atoms 3.14 g Cu or 1.10 g of H? Explain

1 answer:

8 0

63.5 gm cu contain 6.02*10^23 molec
1 gm cu contain 6.02*10^23/63.5
3.14 gm contain 6.02*10^23*3.14/63.5

similary in case of H2
1.10*6.02*10^23/2

then you can compare the result

You might be interested in

A device that does work with only one movement is a simple machine <br> true or false

Rainbow [258]

Answer:

true

Explanation:

8 0

3 years ago

Bromine can be classified as a

sergiy2304 [10]

Answer:

Halogen / salt-former

Explanation:

Bromine is classified as an element in the 'Halogens' section which can be located in group 7 of the Periodic Table. The term "halogen" means "salt-former" and compounds containing halogens are called "salts".

8 0

3 years ago

A chemist wants a 0. 100 M solution of NaOH. She has 0. 0550 mol NaOH available. What volume of solution is needed to make the m

yuradex [85]

Answer:the answer is 0.0550L

Explanation:

7 0

2 years ago

Edmentum

goldenfox [79]

Answer:

They all contain switches

6 0

2 years ago

Chemicals are classified as health hazards when they pose which of the following hazardous effects?

AlexFokin [52]

Answer:

poisoning, breathing problems, skin rashes, allergic reactions, allergic sensitisation, cancer, and other health problems from exposure.

Explanation:

many hazardous chemicals are also classified as dangerous goods.

4 0

2 years ago