4 years ago

What's the answer to equation Ba+Br2=

Chemistry

1 answer:

Andrej [43]4 years ago

7 0

Answer:

BaBr2, Barium Bromide

Explanation:

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Which statement best describes the polarity of the molecule Sil4?

Nadusha1986 [10]

Answer:

I dont a picture

Explanation:

but the answer is 24

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3 years ago

The tiara worn by Kate Middleton for her wedding to Prince William of England contains 888 diamonds and belongs to the British m

allsm [11]

Answer:

The number of atoms in the gemstones of that tiara is $8.9125\times 10^{24} atoms$ .

Explanation:

Number of diamonds ion tiara = 888

Mass of each diamond = 1.0 carat = 0.200 g (given)

Mass of 888 diamonds in tiara:

$888\times 0.200 g=177.600 g$

Given that diamond is a form of carbon.

Atomic mass of carbon atom = 12 g/mol

Moles of 77.600 g of carbon = $\frac{177.600 g}{12 g/mol}=14.800 mol$

Number of atoms of carbon 14.800 moles:

$14.800 mol\times 6.022\times 10^{23} atoms =8.9125\times 10^{24} atoms$

The number of atoms in the gemstones of that tiara is $8.9125\times 10^{24} atoms$ .

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4 years ago

A solid calcium metal reacts with molecular oxygen.<br> WORD EQUATION =<br> CHEMICAL EQUATION =

Ne4ueva [31]

Word equation - calcium + oxygen -> calcium oxide
Chemical equation - Ca + O2 -> CaO2

Hope this helps!

5 0

3 years ago

Nuclear energy comes from an atom's _____. <br><br> A. shells B. charge C. nucleus D. electrons

Shalnov [3]

This would be C. nucleus

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3 years ago

Read 2 more answers

weeeeeb [17]

Answer:

False

Explanation:

A liquid has a definite shape and takes on the volume of its container. A gas has both the shape and the volume of its container. The particles in a gas cannot be compressed into a smaller volume. Liquids tend to contract when heated.

Hope this helps

3 0

3 years ago