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A 1.000 kg sample of nitroglycerine, C3H5N3O9, explodes and releases gases with a temperature of...
A 1.000 kg sample of an organic compound, C3H5N3O9, explodes and releases gases with a temperature of 1985°C at 836.0 atm. What is the volume of gas produced? (always balance equations) C3H5N3O9(s) → CO2(g) + H2O(g) + N2(g) + O2(g) The listed answers are: 5378 L, 742.2 L, 3525 L, 4730 L, 352.5 L My answer: We have: 1.000 kg --> 1.000x10^3 g =1,000 g C3H5N3O9 T= 1985C --> 1985C+273= 2258K P= 836.0 atm V=? Balanced equation: 4C3H5N3O9-->12CO2+10H2O+6N2+O2 C= 3*12.0107...
5. A sample of exhaled air contains four gases with the following partial pressures: N2 (563 mm Hg), O2 (118 mm Hg), CO2 (30 mm Hg), and H2O (50 mm Hg). What is the total pressure of the sample? According to Dalton's Law, the total pressure is the sum of all of the individual gas pressures. That is, just add them up. 6. What volume of ammonia is produced when 0.500 mole of nitrogen reacts completely in the following equation?...
Nitroglycerin is a powerful explosive that forms four different gases when it decomposes (i.e. when it explodes) as shown in the equation below. Calculate the volume in mL of nitrogen gas that will be collected at 1.25 atm and 112°C by the decomposition of 12.8 g of nitroglycerin, C3H5(NO3)3. Use the correct SF and units. 4 C3H5(NO3)3 (1) -->6 N2(g) + O2 (g) + 12 CO2 (g) + 10 H20 (g)
1. Liquid trinitroglycerin, C3H5N3O9 decomposes into nitrogen gas, oxygen gas, carbon dioxide gas and liquid water at 298 K. The enthalpy for the reaction is -1514.4 kJ/mol. Write the balanced equation with phases Find the △Hf for C3H5N3O9 2. Consider a sample of 1.000 mol CO2(g) confined to a volume of 3.000 L at 0.0 C Calculate the pressure of the gas using ideal gas equation. Calculate the pressure using the van der Waals equation.
3. A 4.37-g sample of a certain diatomic gas occupies a volume of 3.00 L at 1.00 atm and a temperature of 45°C. Identify this gas. a. O2 b. F2 d. H2 e. N2 c. Cl2 4. When 7.0 g of helium and 14.0 g of argon were mixed in a flask the total pressure in the flask was found to be 712 atm. What is the partial pressure of helium in atm? a. 56 b. 593 c. 833 d....
Classwork: Ch. Gases Name 1. A sample of chlorine gas occupies a volume of 946 mL at a pressure of 726 mmg What is the pressure of the gas (in mmHg) if the volume is reduced at constant temperature to 154 ml? 2. A sample of carbon monoxide gas occupies 3.20 L at 125°C. At what temperature will the gas occupy a volume of 154 Lif the pressure remains constant? 3. What is the volume (in liters) occupied by 49.8...
1a) A sample of neon gas at a pressure of 0.501 atm and a temperature of 22.6 °C, occupies a volume of 18.1 liters. If the gas is compressed at constant temperature to a volume of 7.02 liters, the pressure of the gas sample will be ___ atm 1b) How many moles of hydrogen peroxide (H2O2) are needed to produce 11.4 L of oxygen gas according to the following reaction at 0 °C and 1 atm? hydrogen peroxide (H2O2) (aq)...
Please help with these questions
1. Methane (CH4) burns in air to form carbon dioxide
and water as shown below.
CH4(g) + 2 O2(g) → CO2(g) + 2
H2O(l)
If a sample of methane occupies 802. mL at 3.23 atm, what
pressure (in atm) of oxygen gas with the same temperature and
volume is required to complete the reaction?
2. Consider the reaction between hydrogen gas and nitrogen gas
to form ammonia:
3 H2(g) + N2(g) → 2 NH3(g).
What...
When a solid sample of ammonium carbonate is heated, three gases are produced, as seen in the chemical equation written below. If the reaction takes place at 250oC what volume (in Liters) of ammonia gas will be produced when 15.862 g of ammonium carbonate decomposes at a pressure of 3.05 atm? (NH4)2CO3(s) -> 2 NH3 (g) + CO2(g) + H2O (g)
SHOW WORK
law? Which sample contains more molecules: 2.0 L of Cl2 at STP or 3.0 L of CH at 300K and 1150 mmHg? Which sample weighs more? Which sample contains more molecules: 2.0L of CO2 at 300 K and 500 mmHg or 1.5 L of N2 at 57 °C and 760 mmHg? Which sample weighs more? 8.78 8.79 8.80 If 2.3 mol of He has a volume of 0.15 L at 294 K, what is in atm? In psi?...