1) The temperature of a 500.0 mL sample of gas increases from 137.4 K to 505.0...
1) The temperature of a 500.0 mL sample of gas increases from 137.4 K to 505.0 K. What is the final volume of the sample of gas, if the pressure in the container is kept constant?
2)What is the pH of a solution if [H3O+] = 2.1 x 10-2 M?
3)The name given to an aqueous solution of HCl is.
4)What is the molarity of a solution that was produced by dissolving 0.293 moles of NaHCO3 in 650.0 mL of solution?
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1) The temperature of a 500.0 mL sample of gas increases from
137.4 K to 505.0...
The temperature of a 500. mL sample of gas increases from 150. K to 448. K....
The temperature of a 500. mL sample of gas increases from 150. K to 448. K. What is the final volume (in ml) of the sample of gas, if the pressure in the container is kept constant?
36. The temperature of a 500 mL sample of gas increases from 150. K to 350....
36. The temperature of a 500 mL sample of gas increases from 150. K to 350. K. What is the final volume of the sample of gas, if the pressure and amount of gas remains the same? A. 1170 mL B. 210 mL C. 110 mL D. 0.0950 mL 37. At 570. mmHg and 25 °C, a gas has a volume of 2270 mL. What is the final pressure (in mmHg) at a volume of 1250 mL and a temperature...
Return What is the final volume of a 500.0 mL gas container that increased in temperature...
Return What is the final volume of a 500.0 mL gas container that increased in temperature from 299 Kto 333 K while the pressure increased from 1.00 atm to 1.54 atm? 0.691 0.362 L 1.45 L 2.77 none of the above
(1). 500.0 mL of 0.110 M NaOH is added to 535 mL of 0.250 M weak...
(1). 500.0 mL of 0.110 M NaOH is added to 535 mL of 0.250 M weak acid (Ka = 6.08 × 10-5). What is the pH of the resulting buffer? HA(aq) + OH-(aq) = H2O(l) + A- (aq) (2). A 25.863 g sample of aqueous waste leaving a fertilizer )manufacturer contains ammonia. The sample is diluted with 74.612 g of water. A 14.159 g aliquot of this solution is then titrated with 0.1059 M HCl. It required 31.31 mL of...
1. A constant amount of gas occupies 16.2 L at 313 K. What volume would that...
1. A constant amount of gas occupies 16.2 L at 313 K. What volume would that gas occupy at 336 K? 2. What’s the molarity of a solution containing 48.5 g of MgCl2 (Molar mass = 95.21 g/mol) in 1.75 L volume? 3. 7.215 moles of a gas occupies 105.1 L at a constant pressure. How many moles of that gas could occupy 175.6 L? 4.What volume of a 0.85 M stock solution would be needed to prepare 4.5 L...
a. If a titration of a sample of HCl dissolved in water required 33.56 mL of...
a. If a titration of a sample of HCl dissolved in water required 33.56 mL of 0.0358 M NaOH, how many moles of HCl were in the sample? b. What is the molarity of a solution that results from dissolving 0.895 g of Na2CO3 in 50 mL of water, then diluting the mixture by a factor of 1:25?
QUESTION 31 A solution was made by dissolving 26.5g of Na2CO3 in 500.0 mL of water....
QUESTION 31 A solution was made by dissolving 26.5g of Na2CO3 in 500.0 mL of water. What is the molality of this solution? (1.0g of water -1.0 ml of water) 11 Na23.6C128016 OA 0.25 m OB. 0.25 M OC 0.5M OD 0.5 m E. None of above QUESTION 32 Molarity (M) of a solution varies with O A Pressure O Temperature OC Partial pressure D. Both A and B OE. Both A and C QUESTION 33 Which of the following...
1. A container has 500.0 mL of an aqueous solution containing OH– ions. How many grams...
1. A container has 500.0 mL of an aqueous solution containing OH– ions. How many grams of OH– ions are in the solution if the molarity is 0.696 M? 2. Cylinder 1 contains a 1.50 M stock solution of Cu(NO3)2. What volume of stock is needed to prepare 20.0 mL of 0.0750 M Cu(NO3)2 solution shown in Cylinder 2? I am so confused! please help
a sample of an ideal gas in a 200.0 mL bulb until ts pressure was 770...
a sample of an ideal gas in a 200.0 mL bulb until ts pressure was 770 torr at temperature of 30.0°C. If the sample weighed 0.425 g, what is its molecular weight? 8. 167 torr of NO2 and 0.780 atm of O2 are placed in a 1.00 L container at 27.0°c. a. What is the total pressure in torr? b. What are the mole fractions with respect to NO2 and O2? c. If the volume of the container is reduced...
A sample of carbon monoxide gas is heated at constant pressure until its temperature increases by...
A sample of carbon monoxide gas is heated at constant pressure until its temperature increases by 62.3 degree C. A sample of neon gas is heated at constant volume until its temperature increases by 22 degree C. If each sample of gas absorbs the same amount of heat, what is the ratio of the number of moles of neon to the number of moles of carbon monoxide?
36. The temperature of a 500 mL sample of gas increases from 150. K to 350. K. What is the final volume of the sample of gas, if the pressure and amount of gas remains the same? A. 1170 mL B. 210 mL C. 110 mL D. 0.0950 mL 37. At 570. mmHg and 25 °C, a gas has a volume of 2270 mL. What is the final pressure (in mmHg) at a volume of 1250 mL and a temperature...
Return What is the final volume of a 500.0 mL gas container that increased in temperature from 299 Kto 333 K while the pressure increased from 1.00 atm to 1.54 atm? 0.691 0.362 L 1.45 L 2.77 none of the above
QUESTION 31 A solution was made by dissolving 26.5g of Na2CO3 in 500.0 mL of water. What is the molality of this solution? (1.0g of water -1.0 ml of water) 11 Na23.6C128016 OA 0.25 m OB. 0.25 M OC 0.5M OD 0.5 m E. None of above QUESTION 32 Molarity (M) of a solution varies with O A Pressure O Temperature OC Partial pressure D. Both A and B OE. Both A and C QUESTION 33 Which of the following...
a sample of an ideal gas in a 200.0 mL bulb until ts pressure was 770 torr at temperature of 30.0°C. If the sample weighed 0.425 g, what is its molecular weight? 8. 167 torr of NO2 and 0.780 atm of O2 are placed in a 1.00 L container at 27.0°c. a. What is the total pressure in torr? b. What are the mole fractions with respect to NO2 and O2? c. If the volume of the container is reduced...
A sample of carbon monoxide gas is heated at constant pressure until its temperature increases by 62.3 degree C. A sample of neon gas is heated at constant volume until its temperature increases by 22 degree C. If each sample of gas absorbs the same amount of heat, what is the ratio of the number of moles of neon to the number of moles of carbon monoxide?
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