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iris [78.8K]
3 years ago
10

Chemistrys forerunners​

Chemistry
1 answer:
oksian1 [2.3K]3 years ago
4 0

Answer:

huhhhhhhhhhhhhhhhhhhh??

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Temperature can weather rocks because A heat can cause minerals to oxidize B. most rocks do not absorb heat evenly C. water cont
Zina [86]

Answer:

c

Explanation:

water contracts when it freezes

5 0
2 years ago
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What are two ways in which you can increase the potential energy of a marble on ramp
zlopas [31]

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You can make the ramp really steep and hold the marble at the top of it

Explanation:

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Fluorine has 7 valence electrons what type of bond is likely to form between two atoms?
Semmy [17]
I'm not quiet sure...possibly an ionic bond.
4 0
2 years ago
(05.02 LC)<br><br> How many moles of each element are in one mole of Sr(HCO3)2? (3 points)
Nina [5.8K]

Answer:

The number of moles of Sr in one mole of Sr(HCO₃)₂ = 1 mole

The number of moles of H in one mole of Sr(HCO₃)₂ = 2 moles

The number of moles of C in one mole of Sr(HCO₃)₂ = 2 moles

The number of moles of O in one mole of Sr(HCO₃)₂ = 6 moles

Explanation:

The given chemical formula of the compound is Sr(HCO₃)₂

The number of atoms of Sr in the compound = 1

The number of atoms of H in the compound = 2

The number of atoms of C in the compound = 2

The number of atoms of O in the compound = 6

The number of atoms of each element present in each formula unit of Sr(HCO₃)₂ is proportional to the number of moles of each atom in one mole of Sr(HCO₃)₂

Therefore;

The number of moles of Sr in one mole of Sr(HCO₃)₂ = 1 mole

The number of moles of H in one mole of Sr(HCO₃)₂ = 2 moles

The number of moles of C in one mole of Sr(HCO₃)₂ = 2 moles

The number of moles of O in one mole of Sr(HCO₃)₂ = 6 moles.

5 0
3 years ago
HELP ME!!<br> How many people prefer pepperoni or tomato as a topping?
Vadim26 [7]

Answer:

375

Explanation:

325 + 50 = 375

just add them together and you get 375

8 0
3 years ago
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