Homework Answers
Add Answer to:
16. When 1.10 g of zinc metal is treated with 300.0 mL of 0.800 M nitric...
please help!! 2. When zinc metal reacts with copper(II) nitrate, zinc(II) nitrate and copper metal are...
please help!!
2. When zinc metal reacts with copper(II) nitrate, zinc(II) nitrate and copper metal are the products. How many grams of zinc metal are required to react completely with 725 mL of 0.1955 M copper (II) nitrate solution? What mass of copper metal is produced? You will need a balanced equation to solve this problem! 3. One step in the process of manufacturing nitric acid (HNO3), a staple industrial chemical, is 3 NO2 (g) + H20 (1) ► 2HNO3...
10. Zinc metal reacts with hydrochloric acid to form zinc chloride and hydrogen gas. a. Write...
10. Zinc metal reacts with hydrochloric acid to form zinc chloride and hydrogen gas. a. Write a balanced reaction (2 pts) b. How many moles of HCl are consumed per 0.4 mole of zinc? (3pts) C. What volume of hydrogen gas is produced at standard temperature and pressure per 2.5 g of zinc used? (6 pts)
A sample of zinc metal is allowed to react completely with an excess of hydrochloric acid:...
A sample of zinc metal is allowed to react completely with an excess of hydrochloric acid: Zn(s) + 2 HCl(aq) → ZnCl2(aq) + H2(8) look GO The hydrogen gas produced is collected over water at 25.0°C. The volume of the gas is 8.90 L, and the atmospheric pressure is 0.951 atm. Calculate the amount of zinc metal in grams consumed in the reaction. rint rences (Vapor pressure of water at 25°C = 23.8 mmHg.) gZn
Hydrogen gas was produced by reacting 0.976 g of zinc metal with excess hydrochloric acid. Write...
Hydrogen gas was produced by reacting 0.976 g of zinc metal with excess hydrochloric acid. Write a balanced reaction equation (include states). If 376 mL of hydrogen gas is collected over water at 25 °C at a total pressure of 751 mm Hg, what was the experimental molar mass of Zn? 1. Write a balanced reaction equation (include states). 2. What was the experimental molar mass of Zn? Answer to the correct number of significant figures. 3. Calculate the %...
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...
8. What is the limiting reactant when 92.4 g of manganese (lI) chloride, 48.3 g of...
8. What is the limiting reactant when 92.4 g of manganese (lI) chloride, 48.3 g of chlorine, and 25.7 g of water react to produce manganese (IV) oxide and how much hydrochloric acid is produced? Zinc dissolves in hydrochloric acid to yield hydrogen gas: Zn(s) + 2HCl(aą)-ZnCl-(ag) + H2(s) 9. What volume of hydrogen gas is produced at STP when a 26.2 g chunk of zine dissolves in 500. ml of 1.200 M HCI? 10. If you have a graduated...
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...
7. Identify the limiting and excess reactants in this experiment. Copper is the limiting reaction and...
7. Identify the limiting and excess reactants in this experiment. Copper is the limiting reaction and Silver nitrate is excess. 8. Silver is a precious metal. The price of silver fluctuates daily as it is traded on the open market. Look u rent market value of silver in the financial section of the daily newspaper or on the Internet and record Note: The price of metals is usually quoted per Troy ounce, where 1 Troy ounce = 31.1 grams. 9....
1.53 g of aluminum metal is placed in a Erlenmeyer flask with 1.5 M sulfuric acid....
1.53 g of aluminum metal is placed in a Erlenmeyer flask with 1.5 M sulfuric acid. The hydrogen gas produced from the reaction is collected over water as seen in the diagram below. The aluminum is allowed to react with the sulfuric acid until it stops reacting. There is still some unreacted aluminum left in the reaction flask. The gas in the collection flask is brought to the same atmospheric pressure as the surroundings, 765.25 torr and a temperature of...
please help!!
2. When zinc metal reacts with copper(II) nitrate, zinc(II) nitrate and copper metal are the products. How many grams of zinc metal are required to react completely with 725 mL of 0.1955 M copper (II) nitrate solution? What mass of copper metal is produced? You will need a balanced equation to solve this problem! 3. One step in the process of manufacturing nitric acid (HNO3), a staple industrial chemical, is 3 NO2 (g) + H20 (1) ► 2HNO3...
10. Zinc metal reacts with hydrochloric acid to form zinc chloride and hydrogen gas. a. Write a balanced reaction (2 pts) b. How many moles of HCl are consumed per 0.4 mole of zinc? (3pts) C. What volume of hydrogen gas is produced at standard temperature and pressure per 2.5 g of zinc used? (6 pts)
A sample of zinc metal is allowed to react completely with an excess of hydrochloric acid: Zn(s) + 2 HCl(aq) → ZnCl2(aq) + H2(8) look GO The hydrogen gas produced is collected over water at 25.0°C. The volume of the gas is 8.90 L, and the atmospheric pressure is 0.951 atm. Calculate the amount of zinc metal in grams consumed in the reaction. rint rences (Vapor pressure of water at 25°C = 23.8 mmHg.) gZn
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...
8. What is the limiting reactant when 92.4 g of manganese (lI) chloride, 48.3 g of chlorine, and 25.7 g of water react to produce manganese (IV) oxide and how much hydrochloric acid is produced? Zinc dissolves in hydrochloric acid to yield hydrogen gas: Zn(s) + 2HCl(aą)-ZnCl-(ag) + H2(s) 9. What volume of hydrogen gas is produced at STP when a 26.2 g chunk of zine dissolves in 500. ml of 1.200 M HCI? 10. If you have a graduated...
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...
7. Identify the limiting and excess reactants in this experiment. Copper is the limiting reaction and Silver nitrate is excess. 8. Silver is a precious metal. The price of silver fluctuates daily as it is traded on the open market. Look u rent market value of silver in the financial section of the daily newspaper or on the Internet and record Note: The price of metals is usually quoted per Troy ounce, where 1 Troy ounce = 31.1 grams. 9....
Most questions answered within 3 hours.
-
Considering gravitational time dilation, calculate the time that
passes in Earth’s surface while 1 hour passes...
asked 17 minutes ago -
Minitab Problem: Take the Lake Hume June rainfall data and find
use the processes outlined in...
asked 1 hour ago -
X Company is trying to decide whether to continue using old
equipment to make Product A...
asked 1 hour ago -
IN PYTHON ONLY !! Program 2: Re-work
program #5 (WeeklyHours) from the previous assignment such that...
asked 1 hour ago -
The average length of time between arrivals at a turnpike
toll-booth is 26 seconds. What is...
asked 3 hours ago -
(a) A piston at 6.1 atm contains a gas that occupies a volume of
3.5 L....
asked 4 hours ago -
Please answer true or false. Words
cannot be changed or added in to make it true...
asked 4 hours ago -
An empty test tube weighs 15.923 grams. Then,
MgCl2•6H2O is added into the test tube. After...
asked 4 hours ago -
Assume memory access is 10 units of time and disk access is
10000 units of time....
asked 4 hours ago -
1. Are all good samples random?
2. Magazines often report surveys giving statistics such as “63%...
asked 5 hours ago -
Under all the various types of market structures, firms
must eventually earn some economic profits for...
asked 5 hours ago -
Consider the following fitness regime for a single locus trait
with two co-dominant alleles: w11 =...
asked 5 hours ago