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gulaghasi [49]
3 years ago
13

What are white colours made up of

Chemistry
2 answers:
Keith_Richards [23]3 years ago
7 0

Every colour in the rainbow

Romashka-Z-Leto [24]3 years ago
3 0

every color mixed together makes the color white

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Which statement is true of a heterogeneous mixture but not of a
Natalka [10]

Answer:

B

Explanation:

well heterogenous mixtures are not uniformly distributed these meaning whatever components are "mixed" can be seperated easily

a example of this can be

Soil, oil in water, ice in water

while Homogeneous mixture cannot be seen seperated

4 0
3 years ago
Why is acylation reagent important.
shepuryov [24]

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<em>Acylation can be used to prevent rearrangement reactions that would normally occur in alkylation. </em>

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Give the half-equation for the reaction at the anode, during
oee [108]
The answer would be B
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3 years ago
Find the weight of HNO_3 present in 20ml, 0.30 N
yanalaym [24]

Answer:

mass of HNO₃ = 0.378 g

Explanation:

Normality = Molarity * number of equivalents

Molarity = Normality/number of equivalents

normality of HNO₃ = 0.30 N, Volume = 20 mL

HNO₃ ionizes in the following way:

HNO₃(aq) ----> H⁺ + NO₃⁻

Therefore, number of equivalents for HNO₃ is 1

molarity of HNO₃ = 0.30/1 =0.30 mol/dm³

Using the formula, molarity = number of moles/volume in liters

number of moles = molarity * volume

Number of moles of HNO₃ = 0.30 mol/dm³ * 20ml * 1 dm³ /1000 mL

number of moles = 0.006 moles

From the formula, mass = number of moles * molar mass

molar mass of HNO₃ = 63.0 g/mol

mass = 0.006 * 63

mass of HNO₃ = 0.378 g

6 0
3 years ago
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