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Ivahew [28]
3 years ago
12

What is the correct balanced equation for the reaction that occurs when aqueous ammonium chloride reacts with aqueous barium nit

rate to produce solid barium chloride and aqueous ammonium nitrate?
Chemistry
1 answer:
Setler [38]3 years ago
5 0

Answer:

2NH_{4}Cl + Ba(NO_{3} )_{2} ⇒  BaCl_{2} + 2NH_{4}NO_{3}

Explanation:

In balancing a chemical equation we make sure the number of atoms of each element on the reactant side of the equation equals that on the product side

NH_{4}Cl + Ba(NO_{3} )_{2} ⇒  BaCl_{2} + NH_{4}NO_{3}

The equation above represents an unbalanced equation of the reaction of aqueous ammonium chloride  with aqueous barium nitrate .we can balance this equation by adding the right coefficients to reactants and product.

2NH_{4}Cl + Ba(NO_{3} )_{2} ⇒  BaCl_{2} + 2NH_{4}NO_{3}

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SOMEONE PLZ ANSWER THIS!!!
Over [174]

The first answer; Nickel has an atomic number of 28 (28 protons). and cobalt has an atomic number of 27 (27 protons).

6 0
3 years ago
What data should be plotted to show that experimental concentration data fits a first-order reaction? A) 1/[reactant] vs. time B
natita [175]

Answer:

C) In[reactant] vs. time

Explanation:

For a first order reaction the integrated rate law equation is:

A = A_{0}e^{-kt}

where A(0) = initial concentration of the reactant

A = concentration after time 't'

k = rate constant

Taking ln on both sides gives:

ln[A] = ln[A]_{0}-kt

Therefore a plot of ln[A] vs t should give a straight line with a slope = -k

Hence, ln[reactant] vs time should be plotted for a first order reaction.

7 0
4 years ago
Calculate Kc for the reaction: 2 HI(g) ⇄ H2(g) + I2(g) given that the concentrations of each species at equilibrium are as follo
Paul [167]

<u>Answer:</u> The value of K_c for the given reaction is 0.224

<u>Explanation:</u>

For the given chemical equation:

2HI(g)\rightleftharpoons H_2(g)+I_2(g)

The expression of K_c for given equation follows:

K_c=\frac{[H_2][I_2]}{[HI]^2}

We are given:

[HI]_{eq}=0.85M

[H_2]_{eq}=0.27M

[I_2]_{eq}=0.60M

Putting values in above expression, we get:

K_c=\frac{0.27\times 0.60}{(0.85)^2}=0.224

Hence, the value of K_c for the given reaction is 0.224

4 0
4 years ago
Given the following list of densities, which materials would float in a molten vat of lead provided that they do not themselves
vampirchik [111]

Answer:

b. glass and charcoal

Explanation:

Step 1: Given data

  • Density of Pb: 11.4 g/mL
  • Density of Glass: 2.6 g/mL
  • Density of Au: 19.3 g/mL
  • Density of charcoal: 0.57 g/mL
  • Density of platinum: 21.4 g/mL

Step 2: Determine which material will float in molten lead

Density is an intrinsic property of matter. Less dense materials float in more dense materials. The materials whose density is lower than that of lead and will therefore float on it are glass and charcoal.

8 0
3 years ago
Does standard atmospheric pressure correspond to the normal air pressure at sea level.
pochemuha

Answer:

Yes

Explanation:

Standard temperature and pressure conditions are defined as 1 atm pressure and 273.15 K. On the other hand, standard ambient temperature and pressure conditions are defined as 1 atm pressure and 298.15 K.

Notice, however, that the only change between them is in temperature.

In any standard conditions, the standard atmospheric pressure is equal to 1 atm.

At sea level, the atmospheric pressure is also equal to 1 atm.

Therefore, we may conclude that the standard atmospheric pressure is equivalent to the normal air pressure at sea level. With an increase in altitude, however, the atmospheric pressure decreases.

7 0
3 years ago
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