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mestny [16]
2 years ago
15

The outside temperature is 35°C. What is the temperature in K

Chemistry
1 answer:
Fittoniya [83]2 years ago
5 0

Answer:

308.15

Explanation:

308.15K − 273.15 = 35°C

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Answer:

74 = celcus

Explanation:

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Directions: Use the words in the word box to complete the following sentences.
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Explanation:

When the forces acting on an object are balanced , there is no change in the object's motion.

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3 years ago
Rectify the following equation 101 - 102 = 1 by moving just one digit
Diano4ka-milaya [45]

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7 0
2 years ago
A container holds 40.0 mL of nitrogen at 30° C and at a constant pressure.
Leokris [45]

Answer:

The correct answer is - 46.60 mL.

Explanation:

To find the volume of the gas at its new increased temperature we need to use Charl Law that shows the direct relationship between Volume and Temperature while Pressure remains constant.

V1 = 40 ml

T1  = 30 degree C + 273 = 303 K

V2  = ?

T2  = 80 degree C + 273 = 353 K

Charl Equation is:

V 1/T 1  =  V 2/ T 2

(V1) * (T2)/ T1= V2

placing value:

40*353/303 = V2

= 14120/303

Vf = 46.60 mL

3 0
3 years ago
How many grams of solid potassium hypochlorite should be added to 2.00 L of a 0.244 M hypochlorous acid solution to prepare a bu
Olin [163]

Answer:

8.2763 g

Explanation:

Considering the Henderson- Hasselbalch equation for the calculation of the pH of the buffer solution as:

pH=pKa+log[base]/[acid]

Where Ka is the dissociation constant of the acid.

Given that the acid dissociation constant = 3.5×10⁻⁸

pKa = - log (Ka) = - log (3.5×10⁻⁸) = 7.46

Given concentration of acid = [acid] = 0.244 M

pH = 6.733

So,

6.733 = 7.46+log[base]/0.244

[Base] = 0.0457 M

Given that Volume = 2 L

So, Moles = Molarity × Volume

Moles = 0.0457 × 2 = 0.0914 moles

Molar mass of potassium hypochlorite = 90.55 g/mol

Mass = Moles × Molar mass = (0.0914 × 90.55) g = <u>8.2763 g</u>

7 0
3 years ago
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