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18. For the reaction 14C at 273K and 1 atm? second part 4 – 4842 w...
Please Help Me With These Questions: 1. ) For the reaction 14/6 C⟶14/7 N+? if 78.5...
Please Help Me With These Questions: 1. ) For the reaction 14/6 C⟶14/7 N+? if 78.5 g of carbon reacts, what volume in L of nitrogen gas (N2) is produced at 273K and 1 atm? HINT: Assume all N-14 formed will be N2 gas, how does that affect the mole ratio? R = 0.0821 L*atm/(mol*K) 2. ) Write the following isotopes in nuclide notation (e.g., 14/6C (b) copper-70
Please help with these questions 1. Methane (CH4) burns in air to form carbon dioxide and...
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...
18. A bag of potato chips contains 585 mL of air at 0.998 atm and 28°C....
18. A bag of potato chips contains 585 mL of air at 0.998 atm and 28°C. Assuming the bag does not break, what will be its volume at the top of a mountain where the pressure has dropped to 445 mmHg and 5.4°C? 19. Nitrogen reacts with powdered aluminum according to the following chemical equation: 2 Al (s)+N2 (g)2 AIN (s) How many liters of nitrogen gas are required to react with 22.3 g of powdered aluminum if the reaction...
1.What volume of O2 (at 0.855 atm and 26.5 oC) is produced by the decomposition of...
1.What volume of O2 (at 0.855 atm and 26.5 oC) is produced by the decomposition of 6.45 kg of HgO? 2HgO(s) --> 2 Hg(l) + O2(g) 2.Automobile airbags are inflated by the rapid decomposition of sodium azide (NaN3). 2 NaN3(s) --> 2 Na(s) + 3 N2(g) What volume of N2 gas, at 0.861 atm and 26.3 oC, is produced by the complete decomposition of 110 g of sodium azide? 3.What is the root-mean-square (RMS) speed of N2 molecules at 298...
QUESTION 2 When 56.68 g of magnesium metal reacts with excess HCl(aq) to form hydrogen gas...
QUESTION 2 When 56.68 g of magnesium metal reacts with excess HCl(aq) to form hydrogen gas and magnesium chloride, how many liters of H2 gas are produced at STP? (Hint: start by writing a balanced chemical reaction.) QUESTION 3 Methane (CH4) burns in air to form carbon dioxide and water as shown below. CH4(g)2 O2(g)CO2(g)2 H20(0) If a sample of methane occupies 344. mL at 1.37 atm, what volume (in mL) of oxygen gas at the same temperature and pressure...
18. Pure carbon dioxide (Pco2 = 1 atm) decomposes at high temperature. For the reaction system...
18. Pure carbon dioxide (Pco2 = 1 atm) decomposes at high temperature. For the reaction system 2 CO2(9) #2 CO(g) + O2(9) the percentage of carbon dioxide that undergoes the decomposition reaction is as follows: Temperature Decomposition (K) 1500 0.048 2500 17.6 3000 54.8 Is this reaction endothermic? Calculate the value of K, at each temperature. 19. Elements of Group 16 form hydrides with the generic formula H.X. When gaseous H,X is bubbled through a solution that is strongly acidic,...
1. If nitrogen gas has a density of 1.14 g/L, and an unknown gas has a...
1. If nitrogen gas has a density of 1.14 g/L, and an unknown gas
has a density of 4.2 g/L at the same temperature and pressure, what
is the ratio of the rate of effusion of the known gas to the rate
of effusion of nitrogen?
2. The combustion reaction for octane burning in oxygen is:
2 C8H18 (l) + 25 O2(g)
→ 16 CO2(g) +18 H2O(g)
∆H = -10869 kJ .
Suppose an oxygen bomb calorimeter is loaded with oxygen...
Use the References to access important values if needed for this question. What volume of oxygen gas is produced w...
Use the References to access important values if needed for this question. What volume of oxygen gas is produced when 97.3 g of mercury(II) oxide reacts completely according to the following reaction at 25 °C and 1 atm? mercury(II) oxide (s) -mercury (1) + oxygen(g) liters oxygen gas 4 more group attempts remaining Submit Answer Retry Entire Group 6:13 PM Review Topics [References] Use the References to access important values if needed for this question. How many grams of carbon...
1. A steel cylinder has a volume of 15.0 L. It is filled with 50.0 g...
1. A steel cylinder has a volume of 15.0 L. It is filled with 50.0 g of N2 gas at 25 0C. What is the pressure of N2 gas in the cylinder.? R = 0.0821 L-atm/mol-K; 1 mole N2 gas = 28.0 g N2 gas 2. T/F Carbon dioxide gas formation when CaCO3 reacts with acid is one evidence of chemical change. 3. T/F In a reaction equation the arrowhead always points to the products.
question 1-4 please :) A sample of nitrogen gas is sealed into a 14.7L container at...
question 1-4 please :)
A sample of nitrogen gas is sealed into a 14.7L container at 426 torr and 106 2 °C How many nitrogen molecules are in the container? {Enter your value in E-notation with three significant figures.] QUESTION 2 A 567.6 ml sample of carbon dioxide gas, CO2, is collected at 1.41 atm and 22.3°C. What is the mass of the carbon dioxide? QUESTION 3 Automobile airbags use the decomposition of sodium azide, NaN3, to provide gas for...
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...
18. A bag of potato chips contains 585 mL of air at 0.998 atm and 28°C. Assuming the bag does not break, what will be its volume at the top of a mountain where the pressure has dropped to 445 mmHg and 5.4°C? 19. Nitrogen reacts with powdered aluminum according to the following chemical equation: 2 Al (s)+N2 (g)2 AIN (s) How many liters of nitrogen gas are required to react with 22.3 g of powdered aluminum if the reaction...
QUESTION 2 When 56.68 g of magnesium metal reacts with excess HCl(aq) to form hydrogen gas and magnesium chloride, how many liters of H2 gas are produced at STP? (Hint: start by writing a balanced chemical reaction.) QUESTION 3 Methane (CH4) burns in air to form carbon dioxide and water as shown below. CH4(g)2 O2(g)CO2(g)2 H20(0) If a sample of methane occupies 344. mL at 1.37 atm, what volume (in mL) of oxygen gas at the same temperature and pressure...
18. Pure carbon dioxide (Pco2 = 1 atm) decomposes at high temperature. For the reaction system 2 CO2(9) #2 CO(g) + O2(9) the percentage of carbon dioxide that undergoes the decomposition reaction is as follows: Temperature Decomposition (K) 1500 0.048 2500 17.6 3000 54.8 Is this reaction endothermic? Calculate the value of K, at each temperature. 19. Elements of Group 16 form hydrides with the generic formula H.X. When gaseous H,X is bubbled through a solution that is strongly acidic,...
1. If nitrogen gas has a density of 1.14 g/L, and an unknown gas
has a density of 4.2 g/L at the same temperature and pressure, what
is the ratio of the rate of effusion of the known gas to the rate
of effusion of nitrogen?
2. The combustion reaction for octane burning in oxygen is:
2 C8H18 (l) + 25 O2(g)
→ 16 CO2(g) +18 H2O(g)
∆H = -10869 kJ .
Suppose an oxygen bomb calorimeter is loaded with oxygen...
Use the References to access important values if needed for this question. What volume of oxygen gas is produced when 97.3 g of mercury(II) oxide reacts completely according to the following reaction at 25 °C and 1 atm? mercury(II) oxide (s) -mercury (1) + oxygen(g) liters oxygen gas 4 more group attempts remaining Submit Answer Retry Entire Group 6:13 PM Review Topics [References] Use the References to access important values if needed for this question. How many grams of carbon...
question 1-4 please :)
A sample of nitrogen gas is sealed into a 14.7L container at 426 torr and 106 2 °C How many nitrogen molecules are in the container? {Enter your value in E-notation with three significant figures.] QUESTION 2 A 567.6 ml sample of carbon dioxide gas, CO2, is collected at 1.41 atm and 22.3°C. What is the mass of the carbon dioxide? QUESTION 3 Automobile airbags use the decomposition of sodium azide, NaN3, to provide gas for...
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