Pressure of the gas inside the container is 662.59 torr.
<h3>What is ideal gas law?</h3>
The ideal gas law (PV = nRT) connects the macroscopic characteristics of ideal gases. An ideal gas is one in which the particles are both non-repellent and non-attractive to one another (have no volume).
The general law of ideal gas can be applied here: PV is equal to nRT, where P is the gas pressure in atm.
V is the number of moles of the gas in a mole, and n is the volume of the gas in L. R is the universal gas constant. T is the temperature(Kelvin) of the gas.
If P and T are different values and n and V are constants, then
(P₁T₂) = (P₂T₁).
P₁ = 735 torr, T₁ = 29°C + 273 = 302 K,
P₂ = ??? torr, T₂ = 62°C + 273 = 335 K.
∴ P₂ = (P₁T₂)/(P₁) = (735 torr)(302 K)/(335 K) = 662.59 torr.
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Answer: e. Two of these
Explanation:
(a) 
When is dissolved in water. It reacts to form sulfurous acid. The chemical reaction is shown below:
Therefore, is acidic when dissolved in water.
(b) 
When is dissolved in water. It reacts to form nitric acid. The chemical reaction is shown below:
Therefore, is acidic when dissolved in water.
(c) 
Sodium is a metal. It gives sodium hydroxide on reaction with water. The chemical reaction is as follows:
Therefore, Na is basic when dissolved in water.
(d) 
Calcium oxide is a metallic salt. It gives calcium hydroxide on reaction with water. The chemical reaction is as follows:
,
Therefore, is basic when dissolved in water.
(e) Two of these.
Since both and give acids when dissolved in water, both are acidic.
Answer:
+0.151, spontaneous
Explanation:
Given that;
Co^2+(aq) + 2e ---->Co(s) -0.28 V
Pb^2+(aq) + 2e ---->Pb(s). -0.13 V
Hence Co is the anode and Pb is the cathode
E°cell = E°cathode - E°anode
So;
E°cell = -0.13 V - (-0.28 V)
E°cell = 0.15 V
The cell reaction is spontaneous since E°cell is positive.
Four conditions are needed for a natural selection they are reproduction, hereditary, variation in fitness or organisms, and variation in individual characters among members of the population.
The answer is b hope it helps u good luck
