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Lyrx [107]
2 years ago
6

How do you calculate annual layers of snow from the past?

Chemistry
1 answer:
Zina [86]2 years ago
6 0
It would be count ice layers
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Which of the following pairs of elements is most likely to form an ionic bond?
balu736 [363]

A pair of elements will most likely form an ionic bond if one is a metal and one is a nonmetal. These types of ionic compounds are composed of monatomic cations and anions. ( K, Cl)...

4 0
2 years ago
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3CuSO4
Alex73 [517]

Answer:

I think it 28.8

Explanation:

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3 years ago
If you start with 0.020 g of Mg, how many moles of H2 will you make if the reaction is complete?
irina [24]

If one starts with 0.020 g of Mg, 0.0008 moles of H2 would be made if the reaction is complete.

Going by the balanced equation of reaction in the image, 1 mole of Mg will produce 1 mole of H2 in a complete reaction.

If 0.020 g of Mg is started with:

mole of Mg = mass/molar mass

                        = 0.020/24.3

                            = 0.0008 moles

Since the mole of Mg to H2 is 1:1, thus, 0.0008 moles of H2 will also be made from the reaction.

More on stoichiometry can be found here: brainly.com/question/9743981

6 0
2 years ago
Which of the following is an example of the electrostatic force acting in a atom
kumpel [21]
Electrostatic forces work on anything that is charged. 
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</span>d. a proton attracting an electron
7 0
3 years ago
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Be sure to answer all parts. Rubidium and bromine atoms are depicted at right. Answer the following questions. (a) What is the c
finlep [7]

The complete question is found on the image attached.

Answer:

a) Rb= +1, Br= -1

b)Bromide and rubidium ions are related to krypton

c) C

Explanation:

Rubidium is found in group 1 with a charge of +1. Bromine is found in group 17 with a charge of -1. Both species have the same configuration as krypton. The ionic sizes of the ions are a very similar to each other Rb+ is 166 while Be is 167.

This RbBr is an ionic compound.

6 0
3 years ago
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