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2 years ago

Which of the following statements is true?

Chemistry

2 answers:

Marta_Voda [28]2 years ago

7 0

Answer:

is there an all of them are true option cause it should be that

Explanation:

kodGreya [7K]2 years ago

6 0

your answer to your question is all of the above

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D. potassium + iodine →

aliina [53]

Answer:

The missing reagents are.

Potassium + Iodine = Potassium iodide

Calcium + oxygen = Calcium oxide

Beryllium + Bromine = Beryllium bromide

Copper + Oxygen = Copper oxide

Explanation:

The balanced equation can be written as:

1.Potassium + Iodine = Potassium iodide

$2K(s)+I_{2}(s)\rightarrow 2KI(s)$

Here K = potassium

I2 = Iodine

KI = potasssium iodide.

2.Calcium + oxygen = Calcium oxide

$2Ca(s)+O_{2}(g)\rightarrow 2CaO(s)$

Ca = calcium

O2 = oxygen

CaO = Calcium Oxide

3.Beryllium + Bromine = Beryllium bromide

$Be(s)+Br_{2}(g)\rightarrow BeBr_{2}(s)$

Here,

Be = beryllium

Br2 = bromine

BeBr2 = Beryllium Bromide

4. Copper + Oxygen = Copper oxide

$2Cu(s)+O_{2}(g)\rightarrow 2CuO(s)$

Cu = Copper

O2 = oxygen

CuO = Copper Oxide

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2 years ago

What do the digestive system and skeletal system have in common?

8090 [49]

Answer:

Answer:Your skeletal system relies on the nutrients it gains from your digestive system to bulid strong healthy bones .A body system is a group of parts that work together to serve a common purpose .

maybe this might be ur answer

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2 years ago

Which of the following molecules contains a nonpolar covalent bond?

mezya [45]

Answer:

Explanation:

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3 years ago

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In the dehydration of hydrated salt the sample was slightle moist because of high humidity briefly explain how the moisture affe

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Answer:

identify and name the landforms in the following diagrams

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2 years ago

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Answer:

Explanation:

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