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3 years ago

Why can liquid water never go over the boiling point temperature? Where is the energy (heat) that is being added going?

Chemistry

1 answer:

Afina-wow [57]3 years ago

7 0

it's turned into steam.

It dissolves and turns into steam no explanation needed,it'sa simple answer,idk who reported it but i'll answer it again:)

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Someone help me , quick

sashaice [31]

When you ride a bicycle, several things happen that require energy and it's transformation. You pedaling the bike is transforming chemical energy, supplied by the breakdown of the food you eat, into mechanical energy to turn the pedals. The chemical energy is potential and the mechanical energy is kinetic.

4 0

3 years ago

A chemistry teacher is able to grade chemistry labs at a rate of 5 labs for every 3 minutes. They need to grade 165 labs how man

PIT_PIT [208]

Answer:

1.65hr

Explanation:

Given parameters:

Number of labs = 5 labs

Time taken = 3 minutes

Unknown:

Time taken in hours to grade 165 labs = ?

Solution:

Let us find the rate of the teacher;

Rate = $\frac{number of labs}{time}$

Insert the parameters and solve;

Rate = $\frac{5}{3}$ = 1.67labs/min

Now;

Time to grade 165 labs = $\frac{number of labs}{rate}$

Time to grade 165 labs = $\frac{165}{1.67}$ = 98.8min

Since;

60min = 1hr

98.8min = $\frac{98.8}{60}$ = 1.65hr

3 0

3 years ago

In the Bohr model of the hydrogen atom, the energy required to excite an electron from n = 2 to n = 3 is _______________ the ene

yawa3891 [41]

Answer:

greater than

Explanation:

4 0

3 years ago

0.005 molar Ca(OH)2 solution is used in the titration.calculate the pH oh solution

Rus_ich [418]

Ca(OH)₂: strong base

pOH = a . M

a = valence ( amount of OH⁻)

M = concentration

Ca(OH)₂ ⇒ Ca²⁺ + 2OH⁻ (2 valence)

so:

pOH = 2 x 0.005

pOH = 0.01

pH = 14 - 0.01 = 13.99

6 0

2 years ago

What effect might a hydroxyl group on a benzene ring of the reactant have on this reaction?

Zigmanuir [339]

Hey there!:

The hydroxyl groups act to neutralize the sodium borohydride which reduces yield.

Hope that helps!

6 0

3 years ago