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docker41 [41]
2 years ago
10

What is the actual yield of a reaction?

Chemistry
1 answer:
Mashutka [201]2 years ago
8 0
The answer is A.
You’re welcome :)
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What is high specific heat?
Juliette [100K]
Specific heat capacity is the energy needed to raise the temrature of a substance of mass of 1kg by 1kelvin Q= Mc (delta) T delta T = change in temprature M = mass c= specific heat capacity q = energy if you take everything except C to be one Q will get bigger as C gets bigger
5 0
3 years ago
When silver nitrate is added to an aqueous solution of magnesium chloride, a precipitation reaction occurs that produces silver
Aloiza [94]

Answer:

103.62 g of AgCl.

Explanation:

Step 1:

The balanced equation for the reaction. This is given below:

2AgNO3 + MgCl2 —> 2AgCl + Mg(NO3)2

Step 2:

Determination of the mass of MgCl2 that reacted and the mass of AgCl produced from the balanced equation.

This is illustrated below:

Molar mass of MgCl2 = 24 + (2x35.5) = 95 g/mol

Mass of MgCl2 from the balanced equation = 1 x 95 = 95 g

Molar mass of AgCl = 108 + 35.5 = 143.5 g/mol

Mass of AgCl from the balanced equation = 2 x 143.5 = 287 g

Thus, from the balanced equation above,

95 g of MgCl2 reacted to produce 287 g of AgCl.

Step 3:

Determination of the mass of AgCl produced from the reaction of 34.3 g of MgCl2.

The mass of AgCl produced from the reaction can be obtained as follow:

Form the balanced equation above,

95 g of MgCl2 reacted to produce 287 g of AgCl.

Therefore, 34.3 g of MgCl2 will react to produce = (34.3 x 287)/95 = 103.62 g of AgCl.

Therefore, 103.62 g of AgCl were produced from the reaction.

8 0
4 years ago
CHEMISTRY
andrezito [222]
Number 1.c
number 2.a
number 3.b
number 4.d
8 0
3 years ago
Read 2 more answers
What do elements and atoms have in common
ELEN [110]

Answer:

what they have in common is consist of electrons, protons, and neutrons.

Explanation:

6 0
3 years ago
The reaction          3 BrO- (aq) --> BrO3- (aq) + 2 Br - (aq) in basic solution is second order in BrO-(aq) with a rate cons
Phoenix [80]

Answer:

0.124 M

Explanation:

The reaction obeys second-order kinetics:

r = k[BrO^-]^2

According to the integrated second-order rate law, we may rewrite the rate law in terms of:

\dfrac{1}{[BrO^-]_t} = kt + \dfrac{1}{[BrO^-]_o}

Here:

k is a rate constant,

[BrO^-]_t is the molarity of the reactant at time t,

[BrO^-]_o is the initial molarity of the reactant.

Converting the time into seconds (since the rate constant has seconds in its units), we obtain:

t = 1.00 min = 60.0 s

Rearranging the integrated equation for the amount at time t:

[BrO^-]_t = \dfrac{1}{kt + \dfrac{1}{[BrO^-]_o}}

We may now substitute the data:

[BrO^-]_t = \dfrac{1}{0.056 M^{-1}s^{-1}\cdot 60.0 s + \dfrac{1}{0.212 M}} = 0.124 M

7 0
3 years ago
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