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Aleks04 [339]
2 years ago
13

WHO EVER HELPS ME WITH THIS GETS BRAINLIST NO JOKE

Chemistry
1 answer:
galben [10]2 years ago
4 0

Answer

for number 1 RAIN. Rain is drops of water from clouds. Heavy/ constant/ steady/pouring rain or Downpour is a lot of rain in a short...

SNOW. Snow means atmospheric water vapor frozen into ice crystals and falling in light white flakes or lying on the...

SUN. Blazing means very bright and hot. ... Bright means full of light.

number 2 WEATHER MAPS indicate atmospheric conditions above a large portion of the Earth’s surface. Meteorologists use weather maps to forecast the weather. A HYGROMETER measures the water vapor content of air or humidity. A WEATHER BALLOON measures weather conditions higher up in the atmosphere.

number 3 A climate is an average weather in a given area over a period of time. The weather, on the other hand, can change drastically in a matter of hours. Changing the world takes thousands of years. It is, however, complex and has been growing at an alarming rate in recent years.

Weather refers to how the environment behaves, mostly in terms of its impacts on life and human habits. Temperature, humidity, precipitation, brightness, cloudiness, visibility, wind, and atmospheric pressure all are factors that influence the weather on a daily basis.

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Potassium hydrogen phthalate is a solid, monoprotic acid frequently used in the laboratory as a primary standard. It has the unw
Sauron [17]

Answer:

0.1472 mol/L is the concentration of the barium hydroxide solution.

Explanation:

2KHC_8H_4O_4+Ba(OH)_2\rightarrow Ba(KC_8H_4O_4)_2+2H_2O

Mass of potassium hydrogen phthalate = 2.050 g

Molar mass of potassium hydrogen phthalate = \frac{2.050 g}{204.2 g/mol}=0.01004 mol

According to reaction , 2 moles of potassium hydrogen phthalate reacts with 1 mole of barium hydroxide, then 0.01004 moles of potassium hydrogen phthalate will :

\frac{1}{2}\times 0.01004 mol=0.005020 mol of barium hydroxide

Moles of barium hydroxide = 0.005020 mol

Volume of the barium hydroxide solution = 34.10 mL = 0.03410 L

1 mL = 0.001 L

Molarity=\frac{Moles}{Volume(L)}

Molarity of the barium hydroxiude silution :

=\frac{0.005020 mol}{0.03410 L}=0.1472 mol/L

0.1472 mol/L is the concentration of the barium hydroxide solution.

4 0
3 years ago
Which of the following statements about boiling points is true?
lutik1710 [3]
<span>The boiling point of a substance is higher than its freezing point</span>
5 0
3 years ago
a weather balloon is filled with 200L of helium at 27 degree Celsius and 0.950 atm. What would be the volume of the gas at -10 d
Charra [1.4K]

<u>Answer:</u> The volume when the pressure and temperature has changed is 1332.53 L

<u>Explanation:</u>

To calculate the volume when temperature and pressure has changed, we use the equation given by combined gas law. The equation follows:

\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}

where,

P_1,V_1\text{ and }T_1 are the initial pressure, volume and temperature of the gas

P_2,V_2\text{ and }T_2 are the final pressure, volume and temperature of the gas

We are given:

P_1=0.950atm\\V_1=200L\\T_1=27^oC=[273+27]K=300K\\P_2=0.125atm\\V_2=?L\\T_2=-10^oC=[273-10]K=263K

Putting values in above equation, we get:

\frac{0.950atm\times 200L}{300K}=\frac{0.125\times V_2}{263K}\\\\V_2=1332.53L

Hence, the volume when the pressure and temperature has changed is 1332.53 L

5 0
3 years ago
Can a liquid substance diffuse in another liquid substance
Zanzabum
<span>Yes, a liquid substance diffuse in another liquid substance. Rate of diffusion depends on liquid's viscosity temperature and liquid.

</span>
8 0
3 years ago
At 25.00 °C a gas has a volume of 6.00 L. What will the volume be at 150.0 °C? *
MrMuchimi
This solved in according to Charles law
V1/T1=V2/T2
So the answer is 8.51 L
7 0
4 years ago
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