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Setler [38]
3 years ago
8

_H2 SiCl2 + _H2O −−→ _H8 Si4O4 + _HCl

Chemistry
1 answer:
Serjik [45]3 years ago
6 0

Answer:

A

Explanation:

pls mark brainliest right

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How many grams are in 3.14 x 1015 molecules of CO?
Vesnalui [34]

Answer:

Explanation:

Not Many

1 mol of CO has a mass of

C = 12

O = 16

1 mol = 28 grams.

1 mol of molecules = 6.02 * 10^23

x mol of molecules = 3.14 * 10^15        Cross multiply

6.02*10^23 x = 1 * 3.14 * 10^15             Divide by 6.02*10^23

x = 3.14*10^15 / 6.02*10^23

x = 0.000000005 mols

x = 5*10^-9

1 mol of CO has a mass of 28

5*10^-9 mol of CO has a mass of x                        Cross Multiply

x = 5 * 10^-9 * 28

x = 1.46 * 10^-7 grams

Answer: there are 1.46 * 10-7 grams of CO if only 3.14 * 10^15 molecules are in the sample

5 0
3 years ago
Which word completes the blank in the following statement?
Dvinal [7]
The answer should be an electrical circut
i think thats how you spell it

8 0
3 years ago
On Earth, the three most common states of matter are Solid, Liquid, and Gas.
julsineya [31]
TRUE you are correct but the earth is also made up of papyrus, an element.
3 0
3 years ago
Read 2 more answers
Gold is used for jewelry because it is malleable. This means it can be easily molded into different shapes. What is this an exam
anastassius [24]

Malleablity is a physical property so hence

D. Physical property is the answer

6 0
3 years ago
Two students are given the starting material benzoic acid and are asked to prepare benzaldehyde. The first student starts by ref
Likurg_2 [28]

Answer:

Compound A: Benzoyl chloride

Compound B: Benzaldehyde - (tBuO)₃Al complex

Compound C: Benzaldehyde

Compound D: Benzyl alcohol

Explanation:

The lithium tri-tert-butoxyaluminum hydride that the first student used is a milder reagent than LAH and will stop reacting at the aldehyde.

The LAH that the second student used is much more reactive and will continue to reduce the benzoic acid as far as possible, going all the way to the alcohol.

See the attachment for the reaction steps.

5 0
3 years ago
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