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Evgesh-ka [11]
3 years ago
7

The _______ is a factor that's affected by changes in the independent variable.

Chemistry
1 answer:
zloy xaker [14]3 years ago
6 0
The answer to your question is dependent variable. 
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In a combustion reaction, one of the reactants is always _______________.
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In a combustion reaction, one of the reactants is always oxygen.
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Why should you add acid to water rather than add water to acid when preparing solutions?.
victus00 [196]

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Explanation:

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Ametal used in hot water system?​
svet-max [94.6K]

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5 0
3 years ago
Calculate ΔH for the reaction: C(graphite) + 2H 2(g) + 1/2 O 2(g) => CH 3OH(l) Using the following information: C(graphite) +
Alika [10]

Answer:

\Delta H for the given reaction is -238.7 kJ

Explanation:

The given reaction can be written as summation of three elementary steps such as:

C(graphite)+O_{2}(g)\rightarrow CO_{2}(g) \Delta H_{1}= -393.5 kJ

2H_{2}(g)+O_{2}(g)\rightarrow 2H_{2}O(l) \Delta H_{2}= (2\times -285.8)kJ

CO_{2}(g)+2H_{2}O(l)\rightarrow CH_{3}OH(l)+\frac{3}{2}O_{2}(g)  \Delta H_{3}= 726.4 kJ

---------------------------------------------------------------------------------------------------

C(graphite)+2H_{2}(g)+\frac{1}{2}O_{2}(g)\rightarrow CH_{3}OH(l)

\Delta H=\Delta H_{1}+\Delta H_{2}+\Delta H_{3}=-238.7 kJ

4 0
4 years ago
Explain whether hydrogen bonding is present between hydrogen<br><br> fluoride (HF) molecules
Mamont248 [21]

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