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Studentka2010 [4]
3 years ago
15

What data should be plotted to show that experimental concentration data fits a zeroth-order reaction?

Chemistry
1 answer:
lorasvet [3.4K]3 years ago
8 0
Download organic chemistry 2


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How many grams of KCl are present in 55.0 mL of 2.10 M KCl?
sergiy2304 [10]

Answer:

none of the above is the answer

4 0
4 years ago
Read 2 more answers
In the reaction MgCl2 + 2KOH → Mg(OH)2 + 2KCI, how many grams of KOH
dsp73

Answer:

The correct option is;

D. (2)(56 g)

Explanation:

MgCl₂ + 2KOH → Mg(OH)₂ + 2KCl

From the balanced chemical reaction equation, we have;

One mole of MgCl₂ reacts with  two moles of KOH to produce one mole of Mg(OH)₂ and 2 moles of KCl

Therefore, the number of moles of KOH that react with one mole of KCl = 2 moles

The mass, m, of the two moles of KOH = Number of moles of KOH × Molar mass of KOH

The molar mass of KOH = 56.1056 g/mol

∴ The mass, m, of the two moles of KOH = 2 moles × 56.1056 g/mol = 112.2112 grams

The amount in grams of KOH that react with one mole of MgCl₂ = 112.2112 grams ≈ 112 grams =  (2)(56 g).

4 0
3 years ago
Methane is combusted with Oxygen to produce Carbon Dioxide and Water. How many grams of oxygen are required to react with 55 gra
Rom4ik [11]
The answer is B.110 g
7 0
3 years ago
011 10.0 points
Sphinxa [80]

Answer:

-58.3^{\circ}C

Explanation:

The frequency and the wavelength of a wave are related by the equation

v=f\lambda

where

v is the speed

f is the frequency

\lambda is the wavelength

For the sound wave in this problem, we have

f = 634 Hz (frequency)

\lambda=0.47 m (wavelength)

Therefore, the speed of the wave is

v=(634)(0.47)=298 m/s

The speed of sound in air depends on the temperature according to the equation

v=333+0.6 T

where T is the temperature.

In this problem, we know the speed, so we can calculate the temperature:

T=\frac{v-333}{0.6}=\frac{298-333}{0.6}=-58.3^{\circ}C

7 0
3 years ago
Which temperature is the hottest, 200°C, 200°F or 200 Kelvin?
gogolik [260]

Answer:

200 °C

Explanation:

Let’s convert all the temperatures to the same scale, say, Celsius.

<em>Celsius</em>

Water boils at 100 °C, so 200 °C is the temperature of <em>superheated steam</em>.

<em>Fahrenheit </em>

Water boils at 212 °F, so 200 °F is <em>just below the boiling point of water</em>.

C = \frac{5 }{ 9}(F-32)

C = \frac{5 }{ 9}(200-32) = \frac{5 }{ 9}\times168 = 93 ^{\circ}\text{C}

<em>Kelvin </em>

Standard temperature is 0 °C = 273.15 K. Ice melts at 273.15 K (0 °C), so

200 K is <em>well below the melting point of ice</em>.

C = K – 273.15

C = 200 -273.15 = -73 °C

Thus, 200 °C is the hottest temperature.

3 0
3 years ago
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