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Gekata [30.6K]
3 years ago
5

Please help urgently with question 3!!!

Chemistry
1 answer:
ryzh [129]3 years ago
6 0

I'm gonna say the 1st answer----> CuCl------->Cucl2+Cu

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What volume of 0.25 M HCl would be needed to neutralize 45 mL of 0.12 M solution of Mg(OH)₂
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Answer:

0.38dm³

Explanation:

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2 years ago
What is the missing word in the word equation below?
ss7ja [257]

Answer:

sodium carbonate

Explanation:

Sodium hydrogen carbonate (also known as sodium bicarbonate or bicarbonate of soda) has the chemical formula NaHCO3. When it is heated above about 80°C it begins to break down, forming sodium carbonate, water and carbon dioxide. This type of reaction is called a thermal decomposition.

hope it helps! please mark me brainliest

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8 0
2 years ago
Which physical property can be used to classify oxygen, helium, propane, and hydrogen as being similar?
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state of matter

Explanation:

Because there are three state of matter namely:liquid,solid and gas and oxygen is a gas.

4 0
3 years ago
Please help!!!!!!!!!!!!!!!!!!!
zimovet [89]

Answer:

Your body cells use the oxygen you breathe to get energy from the food you eat. This process is called cellular respiration. During cellular respiration the cell uses oxygen to break down sugar. Breaking down sugar produces the energy your body needs.

Explanation:

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2 years ago
A substance made of metal atoms only?
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