3 years ago

The best description of the greenhouse effect is that it _______.

Chemistry

1 answer:

Svetlanka [38]3 years ago

5 0

Answer:

The answer is A on edge!

Explanation:

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Hydrogen peroxide (h2o2) decomposes according to the equation:h2o2(l) ⇆ h2o(l) + ½ o2(g)calculate kp for t

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3 years ago

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snow_lady [41]

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3 years ago

A certain first-order reaction (a→products) has a rate constant of 9.60×10−3 s−1 at 45 ∘c. how many minutes does it take for the

Alexxandr [17]

The integrated rate law expression for a first order reaction is

$ln\frac{[A_{0}]}{[A_{t}]}=kt$

where

[A0]=100

[At]=6.25

[6.25% of 100 = 6.25]

k = 9.60X10⁻³s⁻¹

Putting values

$ln\frac{100}{6.25}=9.6X10^{-3}t$

taking log of 100/6.25

100/6.25 = 16

ln(16) = 2.7726

Time = 2.7726 / 0.0096 = 288.81 seconds

7 0

3 years ago

Read 2 more answers

In the following reaction 2C6H6 + 15O2 12CO2 + 6H2O how many grams of oxygen will react with 10.47 grams of benzene (C6H6)?

IRINA_888 [86]

$2 C_{6}H_{6} + 15O_{2} ----->\ \textgreater \ 12CO_{2} + 6H_{2}O


$

$mol of benzene = \frac{mass}{Mr}$
= $\frac{10.47g}{(6 * 12) (6 * 1) g/mol}$
= 0.134 mol

mol of oxygen:
ratio of $C_{6} H_{6} : O_{2}$
= 2 : 15
= 1 : 7.5

: . mol of $O_{2}$ = 0.134mol * 7.5
= 1.01 mol

Mass of Oxygen = mol * Mr
= 1.01 mol * (16*2) g/mol
= 32.22g

Note: Mr is molar mass

8 0

3 years ago