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ladessa [460]
3 years ago
12

What are electrons?

Chemistry
2 answers:
rosijanka [135]3 years ago
7 0

Answer: Negatively charged subatomic particles.

Explanation:

Neutrons are neutrally-charge subaromic particles and protons are positively charged subatomic particles.

lesya692 [45]3 years ago
4 0

Answer:

Explanation:

b

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A sample of gold has a mass of 100 grams and a volume of 5cm^3, calculate the density by dividing the mass by volume
Dafna11 [192]

Answer:

20cm^2

Explanation:

Here, Density= Mass/ Volume

=100/5

= 20 cm^2

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3 years ago
Please help me with number 4 and 5 on my study guide
Shtirlitz [24]

Answer:

help with problem 4

Explanation:

4. protons are equal to atomic numbers. neutrons are atomic mass minus atomic number. electrons are equal to protons.

5. I don't know, sorry.

5 0
2 years ago
50 POINTS for a legitimate response. Please answer the question, chose the correct unit conversions on the right. Please read th
makkiz [27]

Answer:

0.121 millimeters

5 0
2 years ago
I need filling the blank spots ​
AnnZ [28]

Answer:

have you tried c

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the chicken and I don't know if you can make it

4 0
2 years ago
Consider the equilibrium reaction. 2 A + B − ⇀ ↽ − 4 C After multiplying the reaction by a factor of 2, what is the new equilibr
vredina [299]

Answer : The correct expression for equilibrium constant will be:

K_c=\frac{[C]^8}{[A]^4[B]^2}

Explanation :

Equilibrium constant : It is defined as the equilibrium constant. It is defined as the ratio of concentration of products to the concentration of reactants.

The equilibrium expression for the reaction is determined by multiplying the concentrations of products and divided by the concentrations of the reactants and each concentration is raised to the power that is equal to the coefficient in the balanced reaction.

As we know that the concentrations of pure solids and liquids are constant that is they do not change. Thus, they are not included in the equilibrium expression.

The given equilibrium reaction is,

4A+2B\rightleftharpoons 8C

The expression of K_c will be,

K_c=\frac{[C]^8}{[A]^4[B]^2}

Therefore, the correct expression for equilibrium constant will be, K_c=\frac{[C]^8}{[A]^4[B]^2}

4 0
3 years ago
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