3 years ago

1. ____ is the measure of the pull of gravity on an object.

Chemistry

1 answer:

Vikki [24]3 years ago

5 0

1. weight

2. gravity

3. mass, far(distance)

4. weight

5. mass, ?

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If a reaction occurs, what will be the products of the unbalanced reaction below?

GalinKa [24]

Answer:

B. Cu (s) +Ni(NO3)2 (aq) - 2CuNO3 +Ni (s)

Explanation:

the above reaction is a substitution reaction

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3 years ago

No one believed him b/c he had no

Rainbow [258]

Answer:

Chicken nuggets

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5. __NH3 + __O2 >>>>>__ NO +__ H20

inn [45]

2 NH3+ 2 O2 —> 2 NO+ 3 H2O

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3 years ago

Consider the reaction: N2(g) 2 O2(g)N2O4(g) Write the equilibrium constant for this reaction in terms of the equilibrium constan

Valentin [98]

Answer : The equilibrium constant for this reaction is, $K=\frac{(K_b)^2}{K_a}$

Explanation :

The given main chemical reaction is:

$N_2(g)+2O_2(g)\rightarrow N_2O_4(g)$ ; $K$

The intermediate reactions are:

(1) $N_2O_4(g)\rightarrow 2NO_2(g)$ ; $K_a$

(2) $\frac{1}{2}N_2(g)+O_2(g)\rightarrow NO_2(g)$ ; $K_b$

We are reversing reaction 1 and multiplying reaction 2 by 2 and then adding both reaction, we get:

(1) $2NO_2(g)\rightarrow N_2O_4(g)$ ; $\frac{1}{K_a}$

(2) $N_2(g)+2O_2(g)\rightarrow 2NO_2(g)$ ; $(K_b)^2$

Thus, the equilibrium constant for this reaction will be:

$K=\frac{1}{K_a}\times (K_b)^2$

$K=\frac{(K_b)^2}{K_a}$

Thus, the equilibrium constant for this reaction is, $K=\frac{(K_b)^2}{K_a}$

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3 years ago

An ion from a given element has 24 protons and 22 electrons

musickatia [10]

Hi,

An ion with unequal number of protons and electrons haves a name. A name depends on whether there are more protons than electrons (CATION) or if there are more electrons than protons (ANION).

Hope this helps.
r3t40

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3 years ago