4 years ago

True or false: mole fractions are intensive properties g

Chemistry

1 answer:

wolverine [178]4 years ago

3 0

True I think sorry if wrong!

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The chemical symbol of sodium is<br>

ivolga24 [154]

Answer:

Explanation:

6 0

3 years ago

A solution has [H+] = 2.35 × 10-3 M. Find the [OH-] for this solution

Aleks04 [339]

Answer:

[OH-] for this solution is 4.255*10^-12

Explanation:

We are given

[H+] = 2.35 × 10-3 M

we need to find the concentration of [OH-]

we know from Equilibrium

[H+][OH-] = 10^-14

[OH-] = 10^14/2.35*10^10^-3

[OH-] = 0.4255*10^-11

[OH] = 4.255*10^-12

Therefore the Concentration of [OH-] for this solution is 4.255*10^-12

3 0

3 years ago

Directions: Name each of the following compounds. If a name is given, write the formula.

dsp73

Answer:

1. Sodium Oxide

2. Barium Sulfide

3. Copper (II) sulfate

4. Mercury (II) chloride

5. Silver Nitrate

6. CuO

7. FeCl3

8. Zn (NO3)2

9. Mg (OH)2

10. SnS

5 0

3 years ago

A sample of O2, under occupies 500ml at 25.0°C. What volume will the sample occupy at 0.0°C

NeX [460]

Answer:

458ml

Explanation:

According to charles law, $\frac{V_{1}}{T_{1}} =\frac{V_{2}}{T_{2}}$

Given values,

Volume occupied $V_{2}=500ml$

Temperature $T_{1}=25.0^{\circ}C=25+273=298K$

Second temperature $T_{2}=0.0^{\circ}C=273K$

Volume $V_{2}=?$

From charles law, $V_{2}=\frac{V_{1} \times T_{2}}{T_{1}}$ \\$=\frac{500 \times 273}{298}$\\$=458ml$

$\therefore$ Volume occupied by the oxygen at 0.0°C is 458ml

7 0

3 years ago

HELP PLEASE!!!!!!! can you help me with science

amid [387]

Answer:

Yes!! What do you need help with ? :)

8 0

3 years ago