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alexandr402 [8]
4 years ago
12

How many joules of heat are absorbed to raise the temperature of 435 grams of water at 1 atm from 25°C to its boiling point, 100

.°C?

Chemistry
1 answer:
rosijanka [135]4 years ago
6 0
136568.25 J


Let me know if you have any questions

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Katen [24]

Answer:

A,

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B.

Explanation:

The front vent of a fume hood that assists and maintain proper air circulation is <u>Airfoil</u>

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6 0
3 years ago
Consider the reaction 2 CO + O2 → 2 CO2 .What is the percent yield of carbon dioxide
Wewaii [24]

Answer:

Y=50.9\%

Explanation:

Hello,

In this case, given the reaction, we can directly compute the theoretically yielded grams of carbon dioxide, considering the 2:2 molar ratio between carbon monoxide (molar mass = 28 g/mol) and carbon dioxide (molar mass = 44 g/mol) and the initial reacting grams of carbon monoxide in excess oxygen:

m_{CO_2}^{theoretical}=10gCO*\frac{1molCO}{28gCO}*\frac{2molCO_2}{2molCO}*\frac{44gCO_2}{1molCO_2}   =15.7gCO_2

Thus, as only 8 g were actually yielded, we compute the percent yield:

Y=\frac{8g}{15.7g}*100\% \\\\Y=50.9\%

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7 0
3 years ago
in a titration 20.0 mL of 0.150 M NaOH(aq) Solution exactly neutralize is 24.0 mL of an HCl solution what is the concentration o
dusya [7]

Answer:

0.125

Explanation:

i took a test and got it right choosing this answer hopes this help

5 0
3 years ago
1. The horizontal columns on the periodic table are called
Anna11 [10]

Answer:

Periods

Explanation:

The vertical columns on the periodic table are called groups or families because of their similar chemical behavior. All the members of a family of elements have the same number of valence electrons and similar chemical properties. The horizontal rows on the periodic table are called periods.

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4 years ago
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What evidence in Side View lets you know that upwelling is happening in these locations?
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Image result for What evidence in Side View lets you know that upwelling is happening in these locations?

Winds blowing across the ocean surface often push water away from an area. When this occurs, water rises up from beneath the surface to replace the diverging surface water. This process is known as upwelling.

Explanation:

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