General Chemistry Answers

Calculate the normality of each of the following solutions:

a. 7.88 g of HNO₃ per liter of solution;

b. 26.5 g of Na₂CO₃ per liter of solution.

The molality of a solution of ethyl alcohol, C₂H₃OH, in water is 1.54 mol/Kg. How many grams of alcohol were dissolved?

According to indexmundi.com China produces the largest amount of ammonia with 45,520 in thousand metric ton. The profitability of the ammonia production is around 90% of the total ammonia production cost which is about Php 10,000 per ton.

Refer to the balanced chemical equation: N2(g) + 3H2(g) ➡️ 2NH3(g)

How much nitrogen and hydrogen were used in the production of ammonia in China?

What causes the high electrical conductivity of metals ?

How many g of K2CrO4 (MM = 194.2 g / mol) are required to prepare 300 mL of a solution with a concentration of 1.50 M of this same compound?

50 grams of ice-cold water (0 °C) is heated to boiling (100 °C). The specific heat capacity of water is 4.18 J /g°C. How much energy did the water absorb?

50 grams of ice-cold water (0 °C) is heated to boiling (100 °C). The specific heat capacity of water is 4.18 J /g°C. How much energy did the water absorb?

Peroxide reacts with water to produce oxygen. What would be the change in water temperature if we add 7800 grams of sodium peroxide to 110.00 ml of water? Reaction enthalpy = -285.0 kJ. Can you help me understand this problem?

solution containing 133 g of magnesium chloride, which has a molar mass of 95.21 g/mol,is dissolved in 0.5 kg of water. Determine the boiling point  and freezing point of the solution. Kb of solvent is 0.52 ⁰𝐶/𝑚, Kf of solvent is 1.86 ⁰𝐶/𝑚

What is the percentage error in the reading of a voltmeter that shows 239 volts for an

actual 245 volts?