Homework Answers
Request Answer!
We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
Add Answer to:
38. What is the mass, in grams, of 3.0L if the density is 1.6g/mL? 1900g 1.99...
need help with 39 and 40 Which of the following changes is most likely to decrease...
need help with 39 and 40
Which of the following changes is most likely to decrease the reaction rate for the chemical reaction? 2CO(g) + O2(g) → 2CO2(g) removing some CO from the reaction mixture adding a catalyst to the reaction mixture adding twice as much O2 to the reaction mixture tripling the temperature of the reaction mixture Question 40 If two aqueous solutions with concentrations of 0.3 M sugar and 0.5 M sugar respectively are separated by a semipermeable...
Question 39 2 pts Which of the following changes is most likely to decrease the reaction...
Question 39 2 pts Which of the following changes is most likely to decrease the reaction rate for the chemical reaction? 2CO(g) + O2(g) → 2CO2(g) O adding a catalyst to the reaction mixture adding twice as much O2 to the reaction mixture O removing some CO from the reaction mixture tripling the temperature of the reaction mixture Question 40 2 pts If two aqueous solutions with concentrations of 0.3 M sugar and 0.5 M sugar respectively are separated by...
Question 7 (5 points) Consider the equilibrium below: CO(g) + H2O(g) = CO2(g) + H2(g) Kc...
Question 7 (5 points) Consider the equilibrium below: CO(g) + H2O(g) = CO2(g) + H2(g) Kc = 0.0611 at 2000 K If Pco and PH20 are both initially 2.95 atm, what will be the equilibrium partial pressure of H2? Express your answer in decimal format to 3 significant figures. Your Answer: N. Answer Coal, which is primarily carbon, can be converted to natural gas (primarily methane, CH4) by the following exothermic reaction: + C(s) 2H2(g) CH4(g) Which of the following...
1) Determine the effect of each of the following changes on the equilibrium mixture for the...
1) Determine the effect of each of the following changes on the equilibrium mixture for the following reaction: N2(g) + O2(g) + 90.2 kJ + 2NO(g) Circle an answer for each change. a. Increasing the temperature Shift to reactants No change Shift to products b. Adding a catalyst Shift to reactants No change Shift to products c. Removing nitrogen monoxide gas Shift to reactants No change Shift to products d. Decreasing the volume of the container Shift to reactants No...
The density of methanol at 20°C is 0.791 g/mL. What is the mass, in grams, of...
The density of methanol at 20°C is 0.791 g/mL. What is the mass, in grams, of a 197 mL sample?
The mass of a piece of metal at 165.6 K was found to be 34.0 grams. What is the density of the metal (in g/mL) if it occ...
The mass of a piece of metal at 165.6 K was found to be 34.0 grams. What is the density of the metal (in g/mL) if it occupies a volume of 6.4 mL? (I don't understand how the temperature relates to the density)
9. Give the fraction of atoms in a sample of argon gas at 400 that has...
9. Give the fraction of atoms in a sample of argon gas at 400 that has an energy of 10 ior grea 1. 10. The reaction CHelg) +b(g) CHg)+ Hilg) has K,- 2.26x10 at 630K. At this temperature, i the initial partial pressures are 4.6 torr of CH and 3.98 torr of , calculate the equilibrium partial pressure of CHa, 1, CHl, and HI. 115 pt) 11. Consider the reaction 2S029g) + O2(g)2SO (g), AH<0. Will equilibrium shift forward, backward,...
Please make your hand write clear thank you d.- Determine the density (in g/mL) of a...
Please make your hand write clear thank you
d.- Determine the density (in g/mL) of a substance that weighs 0.695 Ib and occupies a volume of 3.4 qt. e. found in a room to be 5.7 x 10' mg/cm. How many grams of CO are present in the room if the rooms dimensions measure 3.5 m x 3.0 m x 3.2 m? A cylindrical piece of metal is 2.03 inches high, has a diameter of 17.0 mm wide, and weighs...
A 20.0g piece of metal with a specific heat L Thermochemistry 1. Calculate the total change...
A 20.0g piece of metal with a specific heat
L Thermochemistry 1. Calculate the total change in internal energy. AE of a system when 400 J heat is oplies to expanding O2(g) and the gas does 350 J of work on its surroundings. 2. Calculate the kinetic energy in .colories, and 6.00x10 m/s. of a portice (moss 9.11x109) 3. Calculate AH in kJ for reaction. CO CO given the following thermochemical data: 2CO(g) + 020) ► 2C0z9) AHP:. 566.1 kJ...
please help Question 38 (8 points) What element is oxidized and what is the oxidizing agent...
please help
Question 38 (8 points) What element is oxidized and what is the oxidizing agent in the reaction below? Fe2O3(s) + 3CO(g) - 2Fe(s) + 3CO2(e) Iron is oxidized, and the oxidizing agent is Fe2O3. Carbon is oxidized, and the oxidizing agent is Fe2O3. Iron is oxidized, and the oxidizing agent is CO. Carbon is oxidized, and the oxidizing agent is Co. Question 39 (8 points) What isotope is depicted in the figure? Key =proton =neutron lithium-7 helium-3 helium-4...
need help with 39 and 40
Which of the following changes is most likely to decrease the reaction rate for the chemical reaction? 2CO(g) + O2(g) → 2CO2(g) removing some CO from the reaction mixture adding a catalyst to the reaction mixture adding twice as much O2 to the reaction mixture tripling the temperature of the reaction mixture Question 40 If two aqueous solutions with concentrations of 0.3 M sugar and 0.5 M sugar respectively are separated by a semipermeable...
Question 39 2 pts Which of the following changes is most likely to decrease the reaction rate for the chemical reaction? 2CO(g) + O2(g) → 2CO2(g) O adding a catalyst to the reaction mixture adding twice as much O2 to the reaction mixture O removing some CO from the reaction mixture tripling the temperature of the reaction mixture Question 40 2 pts If two aqueous solutions with concentrations of 0.3 M sugar and 0.5 M sugar respectively are separated by...
Question 7 (5 points) Consider the equilibrium below: CO(g) + H2O(g) = CO2(g) + H2(g) Kc = 0.0611 at 2000 K If Pco and PH20 are both initially 2.95 atm, what will be the equilibrium partial pressure of H2? Express your answer in decimal format to 3 significant figures. Your Answer: N. Answer Coal, which is primarily carbon, can be converted to natural gas (primarily methane, CH4) by the following exothermic reaction: + C(s) 2H2(g) CH4(g) Which of the following...
1) Determine the effect of each of the following changes on the equilibrium mixture for the following reaction: N2(g) + O2(g) + 90.2 kJ + 2NO(g) Circle an answer for each change. a. Increasing the temperature Shift to reactants No change Shift to products b. Adding a catalyst Shift to reactants No change Shift to products c. Removing nitrogen monoxide gas Shift to reactants No change Shift to products d. Decreasing the volume of the container Shift to reactants No...
9. Give the fraction of atoms in a sample of argon gas at 400 that has an energy of 10 ior grea 1. 10. The reaction CHelg) +b(g) CHg)+ Hilg) has K,- 2.26x10 at 630K. At this temperature, i the initial partial pressures are 4.6 torr of CH and 3.98 torr of , calculate the equilibrium partial pressure of CHa, 1, CHl, and HI. 115 pt) 11. Consider the reaction 2S029g) + O2(g)2SO (g), AH<0. Will equilibrium shift forward, backward,...
Please make your hand write clear thank you
d.- Determine the density (in g/mL) of a substance that weighs 0.695 Ib and occupies a volume of 3.4 qt. e. found in a room to be 5.7 x 10' mg/cm. How many grams of CO are present in the room if the rooms dimensions measure 3.5 m x 3.0 m x 3.2 m? A cylindrical piece of metal is 2.03 inches high, has a diameter of 17.0 mm wide, and weighs...
A 20.0g piece of metal with a specific heat
L Thermochemistry 1. Calculate the total change in internal energy. AE of a system when 400 J heat is oplies to expanding O2(g) and the gas does 350 J of work on its surroundings. 2. Calculate the kinetic energy in .colories, and 6.00x10 m/s. of a portice (moss 9.11x109) 3. Calculate AH in kJ for reaction. CO CO given the following thermochemical data: 2CO(g) + 020) ► 2C0z9) AHP:. 566.1 kJ...
please help
Question 38 (8 points) What element is oxidized and what is the oxidizing agent in the reaction below? Fe2O3(s) + 3CO(g) - 2Fe(s) + 3CO2(e) Iron is oxidized, and the oxidizing agent is Fe2O3. Carbon is oxidized, and the oxidizing agent is Fe2O3. Iron is oxidized, and the oxidizing agent is CO. Carbon is oxidized, and the oxidizing agent is Co. Question 39 (8 points) What isotope is depicted in the figure? Key =proton =neutron lithium-7 helium-3 helium-4...
Most questions answered within 3 hours.
-
Blue Spruce Corp. owns equipment that cost $63,400 when
purchased on January 1, 2017. It has...
asked 7 minutes ago -
A lottery exists where balls numbered 1 to 17 are placed in an
urn. To win,...
asked 1 hour ago -
Please explain steps:
An 80 kg swimmer steps off a platform 10 m above the water...
asked 1 hour ago -
26) Briefly describe, using words or simple diagrams, the
chemiosmotic theory for coupling oxidation to phosphorylation...
asked 3 hours ago -
Suppose that XX is a random variable with mean 16 and standard
deviation 5 . Also...
asked 4 hours ago -
Calculate the number density of argon gas at a temperature of
24C and a pressure of...
asked 7 hours ago -
Alternative
Classification
How to Estimate
Probabilities from Data? ( For continuous Attributes)
And How to generate...
asked 7 hours ago -
An explosion breaks a 20.0-kg object into three parts. The
object is initially moving at a...
asked 8 hours ago -
Calculate the approximate number of residues of Rubisco, which
is involved in carbon fixation in plants,...
asked 9 hours ago -
Other decisions about scientific claims can have a much broader
impact.ENERGYarrow-10x10.png, environment, health, security - all...
asked 10 hours ago -
I need to write a research paper and work cited about this
topic: The United States...
asked 10 hours ago -
Hello! I was wondering if I could have some help?
If the vapor pressure of carvone...
asked 10 hours ago