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2 years ago

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1 According to the text, what is reduction?

1 answer:

spayn [35]2 years ago

8 0

You forgot to attach the text

BTW reduction is the action or fact of making a specified thing smaller or less in amount, degree, or size.

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Pahoehoe is a type of

tatuchka [14]

<em>It is a lava type.....</em>

4 0

3 years ago

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Which is the balanced chemical equation representing the reaction between sodium metal and chlorine gas? Na + Cl2 NaCl

lbvjy [14]

the balanced chemical equation representing the reaction between represent sodium metal (Na) and chlorine gas (cl2) is as below

2 Na + Cl2→ 2 NaCl

2 moles of sodium metal ( Na) reacted with 1 mole of gas chlorine gas (cl2) and 2 moles of sodium chloride (NaCl)

3 0

3 years ago

t 745 K, the reaction below has an equilibrium constant (Kc) of 5.00 × 102. H2 (g) + I2 (g) ⇌ 2 HI (g) If a mixture of 0.10 mol

spayn [35]

Answer : The concentration of HI (g) at equilibrium is, 0.643 M

Explanation :

The given chemical reaction is:

$H_2(g)+I_2(g)\rightarrow 2HI(g)$

Initial conc. 0.10 0.10 0.50

At eqm. (0.10-x) (0.10-x) (0.50+2x)

As we are given:

$K_c=5.00\times 10^2$

The expression for equilibrium constant is:

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

Now put all the given values in this expression, we get:

$5.00\times 10^2=\frac{(0.50+2x)^2}{(0.10-x)\times (0.10-x)}$

x = 0.0713 and x = 0.134

We are neglecting value of x = 0.134 because the equilibrium concentration can not be more than initial concentration.

Thus, we are taking value of x = 0.0713

The concentration of HI (g) at equilibrium = (0.50+2x) = [0.50+2(0.0713)] = 0.643 M

Thus, the concentration of HI (g) at equilibrium is, 0.643 M

8 0

3 years ago

How much heat is absorbed if 75.4 g of CO2 reacts?

iris [78.8K]

Answer:

6x

Explanation:

7 0

2 years ago

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The combined gas laws relates which of the following

atroni [7]

Explanation:

The ideal gas law or equation can also be reduced to the general gas law or the combined gas law.

Let us assume that n = 1;

From PV = nRT ideal gas law

$\frac{PV}{T}$ = R (constant) if n = 1

Therefore, the combined gas law is;

$\frac{P_{1} V_{1} }{T{1} } = \frac{P_{2}V_{2} }{T_{2} }$

The expression is a combination of Boyle's Law and Charles's law.

learn more:

Boyle's law brainly.com/question/8928288

#learnwithBrainly

4 0

2 years ago