3 years ago

What is the correct formula for sulfuric acid

Chemistry

1 answer:

sattari [20]3 years ago

3 0

The correct formula is H20S4

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To what volume should 5.0 g of kcal be diluted in order to prepare a 0.15 M Solution

Vedmedyk [2.9K]

Answer:0.27 L

Explanation:

We are looking for volume and are given a mass and a molarity.

Hope this helped someone.

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3 years ago

The potential energy diagram for a reaction starts at 180 kJ and ends at 300 kJ. What type of reaction does the diagram best rep

quester [9]

Answer: Endothermic reaction

Explanation:

Exothermic reactions are defined as the reactions in which energy of the product is lesser than the energy of the reactants. The total energy is released in the form of heat and $\Delta H$ for the reaction comes out to be negative.

Endothermic reactions are defined as the reactions in which energy of the product is greater than the energy of the reactants. The total energy is absorbed in the form of heat and $\Delta H$ for the reaction comes out to be positive.

As the energy of reactants is 180 kJ and that of products is 300 kJ, the energy of products is greater than that of reactants, which means the energy has been absorbed and reaction is endothermic.

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4 years ago

Which force prevents protons from repelling each other inside a nucleus?

telo118 [61]

Which force prevents protons from repelling each other inside a nucleus?

the gravitational force

the weak nuclear force

the electromagnetic force

<u>the strong nuclear force</u>

5 0

3 years ago

What is the formula for copper oxide and carbon

Arada [10]

2 CuO (s) + C (s) -> Cu (s) + CO2 (g) Im not sure if that's it but yeah

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3 years ago

When Thomas Edison first sold electricity, he used zinc coulometers to measure charge consumption. (In a coulometer the cathode

IrinaK [193]

Answer:

The answer is " $42537.93 \ C$ ".

Explanation:

Molar mass : $Z_n = 65.38 \ \frac{g}{mol}\\\\$

$\to Zn^{2+} + 2e^{-} = Zn\\\\$

$\therefore\\\\ \to 65.38 \ g \ of\ Z_n \ require: \\\\ \to 2 \times 96500\ C\\\\\to 14.41 \ g\ require,\\\\ \to \frac{(14.41 \times 2 \times 96500)}{65.38} \ \frac{g}{mol} = 42537.93 \ C$

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3 years ago