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Daniel [21]
2 years ago
12

If i mix these two colors (red and clear) what do i get?

Chemistry
2 answers:
NemiM [27]2 years ago
7 0

well if you mean clear and not white you still get red due to the fact that clear isnt a color lol

Alex73 [517]2 years ago
5 0

Answer:

red

Explanation:

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How much<br>much hydrogen gas evolved<br>when 1.5 current is passed through water for 1.5 hours?​
evablogger [386]

0.042 moles of Hydrogen evolved

<h3>Further explanation</h3>

Given

I = 1.5 A

t = 1.5 hr = 5400 s

Required

Number of Hydrogen evolved

Solution

Electrolysis of water ⇒ decomposition reaction of water into Oxygen and Hydrogen gas.

Cathode(reduction-negative pole) : 2H₂O(l)+2e⁻ ⇒ H₂(g)+2OH⁻(aq)

Anode(oxidation-positive pole) : 2H₂O(l)⇒O₂(g)+4H⁻(aq)+4e⁻

Total reaction : 2H₂O(l)⇒2H₂(g)+O₂(g)

So at the cathode H₂ gas is produced

Faraday : 1 mole of electrons (e⁻) contains a charge of 96,500 C

\tt mol~e^-=\dfrac{Q}{96500}

Q = i.t

Q = 1.5 x 5400

Q = 8100 C

mol e⁻ = 8100 : 96500 = 0.084

From equation at cathode , mol ratio e⁻ : H₂ = 2 : 1, so mol H₂ = 0.042

4 0
3 years ago
A fruit-and-oatmeal bar contains 142 nutritional Calories. Convert this energy to calories
madreJ [45]

Answer:

a fruit and oatmeal bar contains 142000 calories.

A nutritional calorie, or kilocalorie, is equal to 1000 calories.

E = 142 kcal · 1000 cal/kcal.

E = 142 000 cal.

Calorie (cal), or small calorie, is the amount of energy needed to heat one gram of water by one degree Celsius.

One small calorie is approximately 4.2 joules.

A calorie is a unit of energy.

Explanation:

hope it helps  :)

4 0
2 years ago
How many grams are in 9.05 x 1023 atoms of silicon
UkoKoshka [18]

Answer:

42.2075 grams

Explanation:

4 0
2 years ago
A model of an ideal gas is shown here. A student designs an experiment to test the impact of increasing the pressure on the syst
k0ka [10]

A. As pressure on the gas increases, the volume and temperature will both decrease

6 0
3 years ago
Whats between -999 and 1000
Doss [256]
Hello!

Numbers from -998 and 999 are in between -999 and 1000.

I hope this was helpful! c:
7 0
3 years ago
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