3 years ago

Help mehhh i will give out BRAINLEIST

Chemistry

2 answers:

Ber [7]3 years ago

6 0

Yes paperclip u are right, sorry I was gonna answer too but they beat me

Helga [31]3 years ago

3 0

Answer:

For the after reading part:

Explanation:

I think its right-

You might be interested in

Sometimes clothes removed from the dryer cling together. What kinds of charges are on the clothes ?

inn [45]

The answer is "opposite charges."

4 0

3 years ago

How many atoms are contained in 1 mole of silver

Bumek [7]

3 atoms! Glad I can help! :)

6 0

4 years ago

Read 2 more answers

Use the periodic table, the table of common polyatomic ions, and the rules for naming ionic compounds to name the ionic compound

Elanso [62]

Aluminium oxide
Al3+ O2-

4 0

4 years ago

Read 2 more answers

Develop a message for the owners of cars in villages explaining why the vehicles should be kept well even if they are spoiled, w

Lera25 [3.4K]

<h2>Answer:</h2>

<h3>#Carry On Learning</h3>

<h2>Explanation:</h2>

3 0

3 years ago

In a constant‑pressure calorimeter, 70.0 mL of 0.350 M Ba(OH)2 was added to 70.0 mL of 0.700 M HCl. The reaction caused the temp

DanielleElmas [232]

<u>Answer:</u> The amount of heat absorbed by the solution is 2.795 kJ

<u>Explanation:</u>

To calculate the mass of water, we use the equation:

$\text{Density of substance}=\frac{\text{Mass of substance}}{\text{Volume of substance}}$

Density of water = 1 g/mL

Volume of water = [70 + 70] = 140 mL

Putting values in above equation, we get:

$1g/mL=\frac{\text{Mass of water}}{140mL}\\\\\text{Mass of water}=(1g/mL\times 140mL)=140g$

To calculate the heat absorbed, we use the equation:

$q=mc\Delta T$

where,

q = heat absorbed

m = mass of water = 140 g

c = heat capacity of water = 4.186 J/g°C

$\Delta T$ = change in temperature = $T_2-T_1=(28.74-23.97)^oC=4.77^oC$

Putting values in above equation, we get:

$q=140g\times 4.186J/g^oC\times 4.77^oC=2795.4J=2.795kJ$

Hence, the amount of heat absorbed by the solution is 2.795 kJ

3 0

3 years ago