<span>an experiment that directly tests the hypothesis research on the topic to see what others have learned a hypothesis that is based on research and that can be tested an analysis of the responses from all of the test subjects</span>
- Brush your teeth
- Mouthwash
- Gum
Answer: 4 mol H2O2
Explanation:
First we need to write an equation that relates H2O2 to H2O (water)
H2O2 --> H2O + O2
Now we need to balance the equation so there's the same amount of atoms on each side. We can do this by adding a 2 in front of the H2O2 and H2O. So our balanced equation is now:
2 H2O2 --> 2 H2O + O2
Now, we do dimensional analysis to answer the question.
4 mol H2O * (2 mol H2O2)/(2 mol H2O) = 4 mol H2O2
Answer:
The correct answer is option C.
Explanation:
r = resultant vector
y = vertical component of vector
x = horizontal component of vector
We have :
The vertical component of a vector is 40 N and its horizontal component is 25 N.
x = 25 N
y = 40 N
47.2 N is the magnitude of the vector.
Answer:
enables us to understand those changes which no human being has ever seen (or if they have, they didn't record it) and to relate them to modern changes.
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