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GuDViN [60]
2 years ago
5

Astronauts go to live on the International Space Station for a period of ________ month(s). A one B three C six D nine

Chemistry
1 answer:
kumpel [21]2 years ago
3 0

Answer:

The answer is C. six months

Explanation:

I hope this helps you bestie:))

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How many molecules are there in 45 moles of diphosphorus trioxide?​
Artist 52 [7]

Answer:

2.71(10^{25}) molecules

Explanation:

Remember 1 mol is equal to Avogadro's number

45 mol (\frac{6.02(10^{23}) molecules}{1 mol})

5 0
3 years ago
An atom had an average atomic mass of about 63.5 amu. What is the chemical symbol for the atom?
Virty [35]

An atom has an average atomic mass of 63.5amu. 1 amu is equal to 1 gram per mole. So 63.5 amu is equal to 63.5 grams per mile or 63.5 g/mol. So the answer is Cu or Copper. Hope this helps. If it does, please mark as Brainliest.

8 0
3 years ago
Match the following parts of an atom to their description.
Burka [1]

Answer:

Neutron - non charged particle in nucleus

nucleus - composed of proton and Neutron

electron - negatively charged particle that moves around the nucleus

proton - positively charged particle in the nucleus.

Explanation:

these the are definitions of the terms

5 0
2 years ago
What is it called when a substance is in-between two states of matter?
Wittaler [7]

Answer:

There are four natural states of matter: Solids, liquids, gases and plasma. The fifth state is the man-made Bose-Einstein condensates. Solids.

Explanation:

Hope this helps you out!!

7 0
2 years ago
Read 2 more answers
Why is zinc not extracted from ZnO through reduction using CO?​
Jet001 [13]
The standard Gibbs free energy of formation of ZnO from Zn is lower than that of CO2 from CO. Therefore, CO cannot reduce ZnO to Zn. Hence, Zn is not extracted from ZnO through reduction using CO
6 0
1 year ago
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