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zheka24 [161]
2 years ago
10

What is the mass of 0.5 g/cm3

Chemistry
1 answer:
nevsk [136]2 years ago
3 0

Answer:

1cm3 \: is \: the \: answer.

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Which statement is correct about the location of electrons in an atom according to the Quantum mechanical model? A) Electrons ar
katrin2010 [14]

Answer:

B) Electrons are located in the cloud-like areas around the nucleus.

Explanation:

The quantum mechanical model of the atom does not consider the path through which an electron travels. It rather estimates the probability of where electrons can be found at each energy level.

The region of maximum probability of where an electron is located is sometimes called an electron cloud or orbital. Each orbital of an atom and the electrons accomodated are described completely by a set of four quantum numbers.

4 0
3 years ago
Phosphorus trichloride gas and chlorine gas react to form phosphorus pentachloride gas: PCl3(g)+Cl2(g)⇌PCl5(g). A 7.5-L gas vess
Tpy6a [65]

Answer:

The equilibrium constant in terms of concentration that is, K_c=3.6243\times 10^{3} .

Explanation:

PCl_3(g)+Cl_2(g)\rightleftharpoons PCl_5(g)

The relation of K_c\& K_p is given by:

K_p=K_c(RT)^{\Delta n_g}

K_p= Equilibrium constant in terms of partial pressure.=98.1

K_c= Equilibrium constant in terms of concentration  =?

T = temperature at which the equilibrium reaction is taking place.

R = universal gas constant

\Delta n_g = Difference between gaseous moles on product side and reactant side=n_{g,p}-n_{g.r}=1-2=-1

98.1=K_c(RT)^{-1}

98.1 =\frac{K_c}{RT}

K_c=98.1\times 0.0821 L atm/mol K\times 450 K=3,624.30=3.6243\times 10^{3}

The equilibrium constant in terms of concentration that is, K_c=3.6243\times 10^{3} .

5 0
3 years ago
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How much heat does it take to turn water from -30 degreesC to 120 degreesC?
natka813 [3]

Answer:

110 degrees C

Explanation:

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2 years ago
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the atomic number is the number of protons, but in a neutral atom it is also the number of _____. A. none of these B. electrons
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Answer:

Electrons

hope it helps

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PLEASE ANSWER!!! I WILL GIVE POINTS AND BRAINLIEST IF YOU ANSWER CORRECTLY!!! PLEASE DO IT BECAUSE ITS DUE TODAY!!!
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Answer:

7 sublimation

8 freezing

9 melting

10 condensation

11 evaporation

Explanation:

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