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Valentin [98]
2 years ago
11

3. A metal tank contains three gases: oxygen, helium, and nitrogen. If the partial pressures of the three

Chemistry
1 answer:
WARRIOR [948]2 years ago
3 0
Total Pressure = A partial + B partial….

35+5+25 = 65.0 atm
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This unbalanced equation represents a chemical reaction:
inn [45]

Answer:

2

Explanation:

Pb(NO3)2 + 2NaI 2NaNO3 + PbI2

5 0
2 years ago
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As salinity increases:
Mashcka [7]

Answer: Option (d) is the correct answer.

Explanation:

The amount of salt present or dissolved in water or water body is known as salinity.

When salinity increases then number of particles increases, therefore, density will increase. Also, number of ions will decrease thus, electrical conductivity will decrease.

On the other hand, increase in salinity will increase the amount of salt (NaCl) is the water.

Thus, we can conclude that out of the given options, the option all of the above is true.

8 0
3 years ago
What is k in the rate law equation?
REY [17]

Answer:

B. A rate constant

Explanation:

The mathematical expression of rate law is given below,

Rate = K[A]m[B]n

This rate law show the relationship between the rate of chemical reaction and concentration of reactants.

In given equation [A] and [B] are molar concentration of reactants while K represent rate constant.

The value of K is specific for particular reaction at particular temperature,

m and n are represent exponents and determine experimentally. The value of K is not depend upon the concentrations of reactant but depend upon the surface area and temperature

5 0
2 years ago
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Frank pulls down on a garage door with a force of 80 N. If the door weighs 210 N, what is the net downward force on the door?
elena-s [515]

Answer:

290 N

Explanation:

Total downward force = Force applied on the door in bringing it down + weight of the door

Total downward force = 80 + 210

Total downward force = 290N

7 0
3 years ago
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How many grams of tin are found in 3.5 moles of tin
Debora [2.8K]
Tin has a molecular weight of 118.7 That is the mass in grams of one mole. 
<span>3.50 * 118.7 = 415</span>
7 0
2 years ago
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