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3 years ago

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

Chemistry

1 answer:

levacccp [35]3 years ago

7 0

Answer:

${ \sf{B. \: AgCl _{(s)} + NaNO _{3(aq)}}}$

Explanation:

Silver chloride precipitates out because it has a low value of Ksp.

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The rate of a certain reaction is given by the following rate law: rate Use this information to answer the question below. At a

AleksAgata [21]

Answer:

Initial rate of the reaction when concentration of hydrogen gas is doubled will be $3.2\times 10^6 M/s$ .

Explanation:

$N_2+3H_2\rightarrow 2NH_3$

Rate law says that rate of a reaction is directly proportional to the concentration of the reactants each raised to a stoichiometric coefficient determined experimentally called as order.

Initial rate of the reaction = R = $4.0\times 10^5 M/s$

$R = k\times [N_2][H_2]^3$

$4.0\times 10^5 M/s=k\times [N_2][H_2]^3$

The initial rate of the reaction when concentration of hydrogen gas is doubled : R'

$[H_2]'=2[H_2]$

$R'=k\times [N_2][H_2]'^3=k\times [N_2][2H_2]^3$

$R'=8\times k\times [N_2][H_2]^3$

$R'=8\times R=8\times 4\times 10^5 M/s=3.2\times 10^6 M/s$

Initial rate of the reaction when concentration of hydrogen gas is doubled will be $3.2\times 10^6 M/s$ .

7 0

3 years ago

100 POINTS HELP WILL GIVE BRAINLIEST

vodomira [7]

b. testing the hypothesis

6 0

1 year ago

What things typically are counted in multiples or fractions of moles

ololo11 [35]

Answer:

Individually well, defined identical chemically units such as molecules, ions, atoms, or electrons

Explanation:

The mole is used as the unit of measurement for substance such as molecules, ions, atoms, or electrons. One mole of a substance is equivalent to 6.02×10²³ particles of the substance. The number, 6.02 × 10²³ is known as Avogadro's number.

The particles quantified as moles are individually well, defined identical chemically units such that the mole can be used to describe a part of a substance or the whole substance consisting of several moles of the substance combined.

7 0

3 years ago

How many moles are in 43.9 L of oxygen

Ede4ka [16]

Answer: 2 mol

Explanation:

- According to the ideal gas law, One mole of an ideal gas at STP (standard temperature and normal pressure) occupies 22.4 liters.

- Using cross multiplication,

1 mol of (O2) → 22.4 L

? → 43.9 L

Therefore, the number of moles of oxygen in 43.9 L = (43.9 × 1)/ 22.4 = 1.96 mol≈ 2 mol..

3 0

3 years ago

You calculate that your semester average in history is 97.5. When you get your report card, your average is 96. What was the per

andrew11 [14]

Ok percent error is abs(calculated-actual)/actual(100%)

So 1.5/96 *100%

5 0

3 years ago

Read 2 more answers