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Andrews [41]
3 years ago
10

A compound being used in experimental medicine is 78.14% boron (B) and 21.86% hydrogen (H). The empirical formula of the compoun

d will have a boron to hydrogen ratio of
Chemistry
1 answer:
ss7ja [257]3 years ago
6 0

Explanation:

hope the picture above help u understand :)

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A solution of a specific vitamin has λmax = 273 nm and a concentration of 8.33 × 10-7 m. the absorbance of the solution at 273 n
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Just pay attention in school big bones, stop asking people because if they mislead you that will not be good for you're college education.
5 0
3 years ago
1. Hermione is trying to replicate the Polyjuice Potion that they created in their second year at Hogwarts. The problem is that
faltersainse [42]

Answer:

A) Test(independent) variable is bat wings.

B) Result (dependent) Variable is the Polyjuice Potion.

C) Cauldrons and fire

Explanation:

A) A test/independent variable is the variable that is being tested in the experiment or research and it is not affected by other variables in the experiment.

Now, in this experiment, what is being tested is are the bat wings.. Thus;

Test(independent) variable is bat wings.

B) Result (dependent) Variable is a variable that depends on the independent variable being tested. From the question, the result is the Polyjuice Potion.

Thus, Result (dependent) Variable is the Polyjuice Potion.

C) The constants are things that don't change with respect to any of the other variables. In this case, they are; cauldrons and fire

4 0
3 years ago
PLEASE HELP! <br> What is an STR locus? <br> DUE IN 5 MINS
andrezito [222]

Answer: I believe it’s the last one I am so sorry if I’m wrong you sound urgent and I wanted to help so I read up on wiki

Explanation:

5 0
3 years ago
How can the rate of this reaction be increased
SOVA2 [1]

Answer:

If you increase the concentration of a reactant, there will be more of the chemical present. More reactant particles moving together allow more collisions to happen and so the reaction rate is increased. The higher the concentration of reactants, the faster the rate of a reaction will be.

7 0
3 years ago
Metamorphic rock is formed from the weathering, erosion and cementing of sediments.
Alex Ar [27]

Answer:

False

Explanation:

Metamorphic rocks form when rocks are subjected to high heat, high pressure, hot mineral-rich fluids or, more commonly, some combination of these factors.

This question is reffering to sedimentary rocks, so it's false.

3 0
3 years ago
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