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Sholpan [36]
4 years ago
9

Help, I need to convert 3.16 μm to inches!

Chemistry
1 answer:
irina1246 [14]4 years ago
7 0
0.00011811023622 <span>i</span><span>nches</span>
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The stage in which the hair begins to destroy itself as it disconnects from the
Fittoniya [83]
A food worker has an earache he is scheduled to work.
4 0
3 years ago
liquid disilicon hexachloride reacts with water to form solid silicon dioxide, hydrogen chloride gas, and hydrogen gas. be sure
kodGreya [7K]

The liquid disilicon hexachloride reacts with water to form solid silicon dioxide, hydrogen chloride gas and hydrogen gas are

Si{2}Cl{6} (l)  +  4H{2}O (l)  ------ > 2SiO{2} (s)  +    6HCl (g)    +      H{2} (g)

When liquid disilicon hexachloride reacts with water to form solid silicon dioxide , hydrogen chloride gas and hydrogen gas , the following chemical equation is:

Si{2}Cl{6} (l)  +  H{2}O (l)  ------ > SiO{2} (s)  +    HCl (g)    +      H{2} (g)

now , we have to balance the eqaution,

                   Reactants            product

Si                      2                          1

Cl                      6                          1

H                      2                           3

O                      1                            2

Multiply 4 with H{2}O  2 with  SiO{2}  and 6 with HCL, we get

Si{2}Cl{6} (l)  +  4H{2}O (l)  ------ > 2SiO{2} (s)  +    6HCl (g)    +      H{2} (g)

now ,

                  Reactant       Product

Si                     2                   2

Cl                     6                   6

H                      8                   8

O                    4                     4

Thus, we get the desire equtions.

The liquid disilicon hexachloride reacts with water to form solid silicon dioxide, hydrogen chloride gas and hydrogen gas are

Si{2}Cl{6} (l)  +  4H{2}O (l)  ------ > 2SiO{2} (s)  +    6HCl (g)    +      H{2} (g)

To learn more about Chemical equation here

brainly.com/question/28294176

#SPJ4

7 0
1 year ago
A student is studying the rate of the following reaction: C2H4O NaOH --&gt; H20 NaC2H3O Knowing that this is an exothermic react
emmasim [6.3K]

Answer:

HCl is not a catalyst because these are not used up during the chemical reactions.

Explanation:

Hello there!

In this case, according to the performed experiments, it is possible for us to realize that HCl cannot be a catalyst for this reaction because it is used up during the reaction. This is explained by the fact that catalyst are able to return to the original form once the reaction has gone to completion; this is the example of palladium in the hydrogenation or dehydrogenation of hydrocarbons depending on the case. Moreover, we know that the catalysts increase the reaction rate because they decrease the activation energy of the reaction and therefore the student observed such increase.

Best regards!

8 0
3 years ago
four students measured the mass of a piece of metal whose accurate mass is 34.75g. their result are 34.2g,33.75g,35.0g and 34.69
dedylja [7]

Answer:

the best estimate is 34.69 g

Explanation:

the best estimate is 34.69 gm because when it is rounded it becomes 34.70 gm which is near to actual weight 34.75 gms

4 0
3 years ago
Read 2 more answers
Given the reaction 2NaOH + H2SO4 = Na2SO4 + 2H2O, what is the total number of grams of NaOH needed to react completely with 196
ollegr [7]

Answer:

160 g of NaOH

Explanation:

Reaction: 2NaOH + H₂SO₄ = Na₂SO₄ + 2H₂O

When a base and an acid react, the produce water and a salt. → Neutralization

In this reaction 2 moles of hydroxide need 1 mol of sulfuric acid to react, it is the same to say that 1 mol of sulfuric acid needs 2 moles of NaOH to react. We convert the mass of sulfuric to moles and we propose the rule of three:

196 g / 98 g/mol = 2 moles

1 mol of sulfuric acid needs 2 moles of NaOH to react

Then 2 moles of sulfuric acid will react with (2 . 2) /1 = 4 moles of NaOH

We convert the moles of base to grams → 4 mol . 40 g /1mol = 160 g

3 0
4 years ago
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