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tresset_1 [31]
2 years ago
12

A student was conducting an experiment in the laboratory that had a temperature of 272 °C. The student needed to log the tempera

ture in Kelvin. What temperature should the student write down in Kelvin?
a
-1 K
b
136 K
c
0 K
d
545 K
Chemistry
1 answer:
lozanna [386]2 years ago
8 0

Answer:

d 545K

Explanation:

0°C = 273K

so, 272°C = (273+272)K

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What happens to the temperature when carbon dioxide is added to the atmosphere
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The temperature increases due to CO2. Hence global warming is caused by CO2.

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3 years ago
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Gaseous ethane CH3CH3 will react with gaseous oxygen O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O. Suppose 0.6
yulyashka [42]

Answer:

1.8 g

Explanation:

Step 1: Write the balanced equation

CH₃CH₃(g) + 3.5 O₂(g) ⇒ 2 CO₂(g) + 3 H₂O(g)

Step 2: Determine the limiting reactant

The theoretical mass ratio of CH₃CH₃ to O₂ is 30.06:112.0 = 0.2684:1.

The experimental mass ratio of CH₃CH₃ to O₂ is 0.60:3.52 = 0.17:1.

Thus, the limiting reactant is CH₃CH₃

Step 3: Calculate the mass of CO₂ produced

The theoretical mass ratio of CH₃CH₃ to O₂ is 30.06:88.02.

0.60 g CH₃CH₃ × 88.02 g CO₂/30.06 g CH₃CH₃ = 1.8 g

4 0
3 years ago
For each mole of glucose (C6H12O6) completely oxidized by cellular respiration, how many moles of CO2 are released in the citric
topjm [15]

Answer:

4  

Step-by-step explanation:

The reactions are:

Glycolysis:                      1 glucose ⟶ 2 pyruvate

Link reaction:         2 × [1 pyruvate ⟶ 1 acetyl CoA]

Citric acid cycle: 2 × [1 AcetylCoA ⟶ 2 CO₂]

Now, add the reactions, cancelling species that occur on both sides of the reaction arrow,

             1 glucose ⟶ <u>2 pyruvate </u>

           <u>2 pyruvate</u> ⟶ <u>2 acetyl CoA </u>

        <u>2 AcetylCoA </u>⟶ 4 CO₂

<em>Overall</em> : 1 glucose ⟶ 4 CO₂

For each mole of glucose, four molecules of CO₂ are released in the citric acid cycle.

4 0
3 years ago
A ball is thrown straight up into the air with a speed of 21 m/s. If the ball has a mass of 0.1 kg, how high does the ball go? A
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Answer:

answer = 22.5m

Explanation:

using

s =     \frac{ {v}^{2} -  {4}^{2}  }{2a}

s= (0²-21²)/2(-9.8)

s= -441/19.6

s= 22.5m

do consider marking as Brainliest if this helped!!

5 0
3 years ago
Which disease is caused by a living pathogen? a. common colds b. smallpox c. cholera d. influenza
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Infectious diseases are caused by pathogens, which include bacteria, fungi, protozoa, worms, viruses, and even infectious proteins called prions

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