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nlexa [21]
3 years ago
14

Why are hypothesis valuable even if it's not supported by data

Chemistry
2 answers:
Alja [10]3 years ago
6 0
Because they are very close gusses that people make that are mostly right , and they are right but not proven
Vinvika [58]3 years ago
3 0
The hypothesis<span> is </span>valuable<span> because because it gives you a reason to prove something right or wrong.</span>
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What is the predicted outcome for very low mass stars (those that are smaller than about the mass of the sun)?
White raven [17]

Answer:

In case of low-mass stars,the outer layers of the low mass stars are expelled  as the core collapses such that the outer layers form a planetary nebula.

Explanation:

In case of low-mass stars,the outer layers of the low mass stars are expelled  as the core collapses such that the outer layers form a planetary nebula. The core remains as a white dwarf and finally become a black dwarf as it cools down. A low mass star consumes its core hydrogen and turns it into helium over its lifetime.

4 0
3 years ago
Equal masses of gaseous N2 and Ar are placed in separate flasks of equal volume at the same temperature. Tell whether each of th
Hoochie [10]

Answer:

c. The N2 molecules collide more frequently with the walls of the flask than do the Ar atoms.

Explanation:

The statements are:

a. There are more molecules of N2 present than atoms of Ar. <em>FALSE</em>. Because 1 mol of molecules of N2 = 28g and 1 mol of molecules of Ar = 40g. As there are equal MASSES, you will have more molecules of N2 than Ar molecules

b. The pressure is greater in the Ar flask. <em>FALSE</em>

Because pressure is directly proportional to amount of molecules. As molecules N2 > Molecules Ar. The pressure is greater in N2 flask

c. The N2 molecules collide more frequently with the walls of the flask than do the Ar atoms. <em>TRUE</em>

The collision probability of N2 is higher because there are more molecules presents

6 0
3 years ago
How many moles of carbon are there in a 24 g sample of carbon
Scrat [10]

Answer:

12321.012 is the answer

5 0
3 years ago
Which of the following statements is/are true? Select all that apply. a. The entropy of the starting materials for a reaction is
seraphim [82]

Answer:

The entropy of the products of a reaction is always greater than the entropy of the starting materials

Explanation:

The second Law of Thermodynamics says that entropy always increases

A + B ----> AB

A and B that were completely arranged in their structures had to be completely messy to form compound AB

When an isolated system reaches a maximum entropy configuration, it can no longer undergo changes: it has reached equilibrium.

6 0
3 years ago
Which branch of chemistry would study how pollution effects marine life?
mart [117]

Answer: (D) environmental chemistry

Explanation:

8 0
3 years ago
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