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MrRissso [65]
3 years ago
11

Which is a renewable energy source?

Chemistry
2 answers:
ale4655 [162]3 years ago
5 0

Answer:

natural gas

Explanation:

Likurg_2 [28]3 years ago
4 0

Answer:

The answer is D. Hydroelectric

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The answer is d because he did not see the dog do it
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Under what conditions of temperature and pressure is a gas most soluble in water?
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A gas is most soluble in water under conditions of high pressure, and low temperature.

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3 years ago
The reaction of HCl with NaOH is represented by the equation HCl( aq) + NaOH( aq) ® NaCl( aq) + H 2O( l) What volume of 0.631 M
Darina [25.2K]

8.04 mL.

<h3>Explanation</h3>

How many moles of NaOH?

Note the unit:

V = 15.8 \; \textbf{mL} = \dfrac{15.8}{1000}\;\textbf{L} = 0.0158 \; \text{L}.

n = c\cdot V = 0.0158 \times0.321 = 0.00507\;\text{mol}.

How many moles of HCl?

As seen in the equation, HCl and NaOH reacts at a 1:1 ratio.

n(\text{HCl}) = n(\text{NaOH}) = 0.00507\;\text{mol}.

How many mL of HCl?

V = \dfrac{n}{c} =\dfrac{0.00507}{0.631} = 0.00804\;\text{L} = 0.00804\times 1000 \;\textbf{mL} = 8.04\;\text{mL}.

5 0
3 years ago
An HCl solution has a concentration of 9.8 x 10-5 M. What is the pH of this solution?
Inessa05 [86]
HCl = H⁺ + Cl⁻

c(HCl)=9.8*10⁻⁵ mol/l

pH=-lg[H⁺]

[H⁺]=c(HCl)

pH=-lg{c(HCl)}

pH=-lg{9.8*10⁻⁵}=4.009

pH=4.009
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What is the formula for water​
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H2O

Explanation:

EASIEST FORMULA ON EARTH

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