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Arte-miy333 [17]
3 years ago
10

Which of the following questions is most testable through a scientific experimentation

Chemistry
1 answer:
qaws [65]3 years ago
3 0
Question A is more testable through a scientific experiment because you have a specific thing you are trying to find out, "which gelatin takes longer to set".
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What is the energy that occurs in teh conversion of an ion ic solid to a widely spread gas?
lutik1710 [3]

Answer:

The sublimation energy

Explanation:

When an ionic solid turns into a gas it is changing from solid state to gas state without going throught liquid state. This process is called sublimation and the energy will be equal to \Delta H_{sublimation}

6 0
3 years ago
Kayla wants to be an active listener. What can she do?
sertanlavr [38]
B. she can ask people about their backgrounds

This requires listening, the rest do not
4 0
3 years ago
Read 2 more answers
When a chemist titrates a standard solution of 168.61 mL of hydrochloric acid (HCl) with 0.104 M sodium hydroxide (NaOH) , she f
ch4aika [34]
The conc of NaOH is 0.104M which means that 1000mL solution contains 0.104mol of NaOH, so the amount of moles used in the titration will be
\frac{0.104mol}{1000mL} * 259.4mL = 4.00* 10^{-7} mol
The reaction of NaOH and HCl is one to one so the moles of HCl that were titrated will also be 4.00* 10^{-7} mol
The Molarity is therefore
\frac{4.00* 10^{-7} mol}{168.61 mL} * 1000mL = 2.38* 10^{-6} M
4 0
3 years ago
Draw an example each of a hydrogen atom that can and can’t participate in hydrogen bonding.
frutty [35]

Answer:

A hydrogen bonding is a bond class that is produced from the attraction existing in a hydrogen atom and an oxygen, fluorine or nitrogen atom with a negative charge. This attraction, meanwhile, is known as dipole-dipole interaction and links the positive pole of one molecule with the negative pole of another.

Explanation:

The hydrogen atom, which has a positive charge, is known as the donor atom, while the oxygen, fluorine,  chlorine or nitrogen atom is the bond acceptor atom. In the substance in which they are most effective is in the water.

Hydrogen bonds have only one third of the strength of covalent bonds, but they have important effects on the properties of the substances in which they occur, especially in terms of melting and boiling points in crystal structures.

8 0
3 years ago
Can you balance 12 blocks on the 3x2 platform
Jobisdone [24]
Yes, it is possible to go do because it would be 2 stacks of 6
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2 years ago
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