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just olya [345]
3 years ago
9

The chemical composition of a compound is expressed as its ________

Chemistry
1 answer:
aivan3 [116]3 years ago
4 0

i believe the answer is A. chemical formula

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What is the molarity of a solution containing 18.2 g of KCl in 215 mL of KCl solution?
bulgar [2K]

Answer:

The sum would be 69109.4944 ml if that's what you were asking

3 0
3 years ago
24.568 cm of chlorine at 25° C will occupy what volume
Vlad1618 [11]

Answer:

20.446cm3

Explanation:

The following were obtained from the question given:

V1 (initial volume) = 24.568 cm3

T1 (initial temperature) = 25°C = 25 + 273 = 298K

T2 (final temperature) = - 25°C = - 25 + 273 = 248K

V2 (final volume) = ?

Since the pressure is constant, the gas is obeying Charles' law. With the Charles' law equation V1/T1 = V2/T2, we can easily calculate the final volume as follow:

V1/T1 = V2/T2

24.568/298 = V2/248

Cross multiply to express in linear form as shown below:

298 x V2 = 24.568 x 248

Divide both side by 298

V2 = (24.568 x 248) /298

V2 = 20.446cm3

From the calculations made above, the volume of the gas at -25°C is 20.446cm3

5 0
4 years ago
What is the difference between alectronegativity and ioniztion energy
s344n2d4d5 [400]

Electronegativity is the tendency of the element to attract shared pair of electron towards itself in bonded condition.
Ionisation enrgy is the amount of energy required to remove the outermost electron from neutral gaseous atom


5 0
3 years ago
Consider the reaction and its rate law.
BaLLatris [955]

The order with respect to A is 2

The order with respect to B is 0.

The overall reaction order is 2.

<u>Explanation:</u>

The rate of chemical equation is represented by its rate equation. Here the rate equation of the given chemical reaction is

rate=k[B]^2

Here k represents the rate constant .

Order of the reaction with respect to its individual reactants is represented by the power of the the reactants in the rate equation.

Here the power of the reactant A is 0 and the power of reactant B is 2.

Hence the order with respect to A is 0 and order with respect to B is 2.

The overall order of the reaction is given by the sum of the powers of the reactants in the rate equation.

Hence the total order=2+0=2

4 0
3 years ago
Balance the following:<br> CsH12 +<br> 02<br> CO2+<br> |<br> H20
user100 [1]

Answer:

C5H12+8O2-->5CO2+6H20

7 0
3 years ago
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