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abruzzese [7]
4 years ago
8

____ KOH + H3PO4 = K3PO4 + H20

Chemistry
1 answer:
sleet_krkn [62]4 years ago
6 0

Answer:

3 KOH + H3PO4 ----> K3PO4 + 3H2O

Explanation:

Ensure the number of atoms on both sides are the same.

Left: 3K, 7O, 6H, 1P

Right: 3K, 7O, 6H, 1P

Hence, the equation is now balanced.

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Which of the following graphs correctly represents the relationship between the temperature and the volume of an ideal gas that
Anon25 [30]

Answer:

The graph of the relationship of temperature one volume is a graphical representation of Charles law.

Explanation:

The graph shows the relationship between volume vs temperature plotted at constant pressure for a fixed amount of gas. As can be observed from the graph, the volume increases with an increase in the temperature, and vice versa. Thus, volume is directly proportional to temperature at a constant pressure, which is the statement of Charles's law.

Volume is plotted on the y- axis, and temperature is on x-axis. The graph is a straight line with a positive slope passing the origin. The equation of the line is V = kT, which is the equation of Charles's law. The slope of the line is k. As temperature approaches zero kelvin, volume also approaches zero.

Real gases do not obey Charles's law at low temperatures. As temperature approaches absolute zero (0 K), the real gases start deviating significantly from Charles's law.

4 0
3 years ago
What would you expect to happen to the energy while a piece of paper is burning?
abruzzese [7]
D. 

Energy cannot be created nor destroyed. It is just transferred through sound, heat and light. 
6 0
3 years ago
Read 2 more answers
How much 0.85 M HCl solution can be made by diluting 250 mL of 10 M HCl?
7nadin3 [17]

<span>Answer is:  2940 mL of the HCL solution.</span>

c₁(HCl) = 10.0 M.

V₂(AgNO₃<span>) = ?.
c</span>₂(AgNO₃<span>) = 0.85 M.
V</span>₁(AgNO₃<span>) = 250 mL </span>÷ 1000 mL/L = 0.25 L.

<span> c</span>₁<span> - original concentration of the solution, before it gets diluted.
c</span>₂<span> - final concentration of the solution, after dilution.
V</span>₁<span> - volume to be diluted.
V</span>₂<span> - final volume after dilution.
c</span>₁ · V₁ = c₂ · V₂<span>.
V</span>₂(HCl) = c₁ · V₁ ÷ c₂.

<span> V</span>₂(HCl) = 10 M · 0.25 L ÷ 0.85 M.

<span> V</span>₂(HCl) = 2.94 L · 1000 mL = 2940 mL.

7 0
3 years ago
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How many oxygen atoms are present in a formula unit of calcium acetate?
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Answer:

⭐✞⭐✞⭐It consists of four atoms of carbon, six atoms of hydrogen, one atom of calcium and four atoms of oxygen.⭐✞⭐✞⭐report my answer⭐✞⭐✞⭐

3 0
3 years ago
Does electronegativity affect replacement reactions
Annette [7]

Answer: A single replacement reaction occurs when an elemental metal atom with a low electronegativity replaces another atom (usually a metal) in a compound. This is caused by a transfer of electrons from the less electronegative metal to the more electronegative atom.

Explanation: I hope this helps

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