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son4ous [18]
3 years ago
7

all of the following electromagnetic waves possess high energy that will damage the human body if overexposed, except _____. ult

raviolet waves x-rays radio waves gamma rays
Chemistry
1 answer:
Marrrta [24]3 years ago
3 0
We use radiowaves all the time because they are harmless.  (as far as we know, although bees are dying and know one knows why, perhaps all the waves we use do have a negative effect)
Can I get a brainliest, please?
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you know the mass of an object and the force applied to the bject to make it move . Which of Newtons laws of motion will help yo
MAVERICK [17]

Answer:

second law of acceleration

Explanation:

hope this helps :)

8 0
2 years ago
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Identify the type of chemical bond that forms when potassium reacts with bromine to form a salt.
Sunny_sXe [5.5K]

2K + Br2 ===> 2KBr


It's very ionic. The transfer of 2 electrons from K to Br2 is nearly as complete as it can be.

3 0
3 years ago
A bulb is found to weigh 5.76 grams more when filled with air at 298 K and 1.00 atmosphere pressure than when it is evacuated. W
garik1379 [7]

Answer:

Subtract water vapor pressure from total pressure to get partial pressure of gas A: PA=1.03 atm- 1 atm=0.03 atm.

What is the total pressure of the gases at 298 K?

98.8 kPa

A sample of nitrogen gas is bubbled through water at 298 K and the volume collected is 250 mL. The total pressure of the gas, which is saturated with water vapour, is found to be 98.8 kPa at 298 K.

The total pressure of a mixture of gases can be defined as the sum of the pressures of each individual gas: Ptotal=P1+P2+… +Pn. + P n . The partial pressure of an individual gas is equal to the total pressure multiplied by the mole fraction of that gas.

How do you find the partial pressure of water in air?

e is vapor pressure Rv = R∗/Mv = 461.5Jkg−1K−1 and Mv = 18.01gmol−1, ϵ = Mv/Md = 0.622. The vapor pressure is the partial pressure of the water vapor. where es is in Pascals and T is in Celsius.

ExpHow do you find the pressure of h2?

For the high pressures in which hydrogen gas is often stored, the van der Waals equation can be used. It is P+a(n/V)^2=nRT. For diatomic hydrogen gas, a=0.244atm L^2/mol^2 and b=0.0266L/mol.lanation:

6 0
2 years ago
What types of materials dissolve in water
Nata [24]

Answer:

Things like salt, sugar and coffee dissolve in water. They are soluble. They usually dissolve faster and better in warm or hot water. Pepper and sand are insoluble, they will not dissolve even in hot water.

i hope this helped you, have a great day

3 0
2 years ago
Which will have the lowest boiling point?
In-s [12.5K]

Some of the solutions exhibit colligative properties. These properties depend on the amount of

solute dissolved in a solvent. These properties include freezing point depression, boiling

point elevation, osmotic pressure and vapor pressure lowering. From the given choices, the correct answer is the first option. Pure water will have the lowest boiling point because there are no solute particles to change the boiling point of water while other options will have an elevated boiling point because of the solute.

Read more on Brainly.com - brainly.com/question/1437052#readmore

8 0
2 years ago
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