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weqwewe [10]
3 years ago
14

What types of waves are electromagnetic (EM) waves?

Chemistry
1 answer:
N76 [4]3 years ago
3 0

Answer:

a) transverse since they're more wavy a d together

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Calculate the molarity of 0.289 moles of FeC13 dissolved in 120 ml of solution
yanalaym [24]

Answer:

2.41 M

Explanation:

The molarity is the moles of FeCl3 over the liters of solution. Since you're given mL you need to change it to L which is 0.12 L. 0.289 divided by 0.12 is your answer

5 0
4 years ago
the gas left in a ussd aerosol can is at a pressure of 103kPa at 25.0 °C. if the can heats up to 50.0°C what is the pressure of
Tanya [424]
75<span>.0°C all you had to do was add them up 

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5 0
3 years ago
If I have 0.75 moles of gas at a temperature of 105 K and a pressure of 3.75 atmospheres, what is the volume of the gas
gladu [14]

Answer:

the volume is 20 just subtract

Explanation:

8 0
4 years ago
Freon-12, CF2Cl2, which has been widely used in air conditioning systems, is considered a threat to the ozone layer in the strat
Vilka [71]

Answer:

The root mean squared velocity for CF2Cl2 is  v_{rms}= 207.06 m/s

Explanation:

From the question we are told that

         The temperature is T = -65 ^oC = -65+273 = 208K

Root Mean Square velocity is mathematically represented as

      v _{rms} = \sqrt{\frac{3RT}{MW} }

 Where  T is the temperature

              MW is the molecular weight of gas

              R is the gas constant with a value of  R = 8.314 JK^{-1} mol^{-1}

For  CF2Cl2 its molecular weight is  0.121 kg/mol

     Substituting values

  v_{rms} = \sqrt{\frac{3 * 8.314 *208}{0.121} }

          v_{rms}= 207.06 m/s

5 0
3 years ago
Read 2 more answers
If a person could not digest food anymore, what would probably happen to that person? Why? a. The person would gain weight becau
allsm [11]

Answer:

A

Explanation:

The person would gain weight because the undigested food would sit in the person's body. The person would not lose or gain weight, but it would take longer for the body to use the food that was eaten.

4 0
3 years ago
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