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brilliants [131]
3 years ago
13

Chemical reactions happen when _____. a.atoms attract or repel one another b.heat is created by friction c. two or more substanc

es are mixed substances are heated or d.cooled
Chemistry
1 answer:
melomori [17]3 years ago
5 0

Answer:

A

Explanation:

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Examine the scenario.
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Answer:

The system will try to balance the change by shifting toward the exothermic reaction, and the rate of the forward reaction will increase.

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To balance the external cooling system has to give out heat so exothermic reaction will occur .

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Which organelle's function is CORRECTLY described?
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The correct answer is c.
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determine the average volume from the following volume reading: 3.00ml, 2.0ml, 2.987 x 10^-3 l, and 3.4856 ml
lesya [120]

Answer:

The average of given values is 2.1221 ml

Explanation:

Given data:

Given measurements = 3.00 ml , 2.0 ml, 2.987 × 10⁻³ml , 3.4856 ml

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Solution:

Formula:

Average value = sum of all measurement  / total number of measurements

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Now we will put the  values.

Average value = 3.00 ml + 2.0 ml + 0.002987 ml+ 3.4856 ml / 4

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3 years ago
What is the molarity of I-(aq) in a solution that contains 34 g of SrI2 (molar mass 341 g) in 1.0 L of the solution? Show Work!
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3 years ago
HELP ASAP!!!
Alborosie

Answer:

The law of conservation of mass states that mass cannot be created or destroyed only transfered. So when a size change takes place the mass is being transfered into something else. During a state change the mass is being transfered into another state of matter. When a substance dissolves into another liquid the mass is still their just into another state.

Explanation:

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