What mass of oxygen gas can be produced by the decomposition of 3.5 g of KClO3?
Note: Your answer is assumed to be reduced to the highest power possible.
What mass of oxygen gas can be produced by the decomposition of 3.5 g of KClO3?...
What is the volume of oxygen gas released in the decomposition of 35.62 g of potassium chlorate at STP? KClO3 (s) ---> KCl (s) + O2 (g)
Question 5 (1 point) If (1.69x10^1) g of silicon react with (3.402x10^1) g of chlorine gas to form silicon tetrachloride. What mass of silicon tetrachloride forms? Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: Answer Question 6 (1 point) What is the molarity of a solution made by diluting (1.77x10^1) mL of 18.7 M ammonia with enough water to form (3.0782x10^2) mL of solution? Note: Your answer is assumed to be reduced to...
Question 5 (1 point) If (4.544x10^1) g of oxygen react with (4.81x10^1) g of carbon monoxide to form carbon dioxide. What mass of carbon dioxide forms? Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: X10 Answer
Question 2 (1 point) When (7.08x10^0) g of methane, CH4, burns in oxygen, water and carbon dioxide form. What mass of oxygen is needed to react completely with all the methane? Note: Your answer is assumed to be reduced to the highest power possible Your Answer: X10 Answer
The thermal decomposition of potassium chlorate can be used to produce oxygen in the laboratory 2KCIO3 (8) ► 2KCI (s) + 302 (9) What volume (L) of O2 gas at 25°C and 1.00 atm pressure is produced by the decomposition of 7.5 g of KClO3 (s)? Select one: a. 11 b.4.5 CO d. 3.7 e. 2.3
Ammonia (NH₃) chemically reacts with oxygen gas (O₂) to produce nitric oxide (NO) and water (H₂O)What mass of nitric oxide is produced by the reaction of 4.3 g of oxygen gas?Be sure your answer has the correct number of significant digits.
Ammonia (NH₃) chemically reacts with oxygen gas (O₂) to produce nitric oxide (NO) and water (H₂O)What mass of nitric oxide is produced by the reaction of 5.2 g of oxygen gas?Be sure your answer has the correct number of significant digits.
Question 4 (1 point) A compound with a molecular mass of 283.88 g/mol is found to contain 43.64 %P and 56.36% O. What is the molecular formula of this compound? OPO4 OP203 P205 OP4010 OPAOG Question 5 (1 point) If (4.544x10^1) g of oxygen react with (4.81x10^1) g of carbon monoxide to form carbon dioxide. What mass of carbon dioxide forms? Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: Answer
Question 10(5 points) A sample of gas with a molar mass of 8.0067g/mol grams is found to occupy 3.20 L at 298.0K and 732.0 mm Hg. What is the density of the gas in g/L? Your Answer: Answer units Save Question 11 (5 points) B A certain electromagnetic wave has a wavelength of (3.25x10-7) nm. What is the frequency of the wave? Report your answer in scientific notation. Note: Your answer is assumed to be reduced to the highest power...
Small quantities of oxygen can be prepared in the laboratory by heating potassium chlorate, KClO3(s) . The equation for the reaction is 2KClO3⟶2KCl+3O2 Calculate how many grams of O2(g) can be produced from heating 70.4 g KClO3(s) STRATEGY: Convert the mass of KClO3 to moles. Convert the number of moles of KClO3 to the number of moles of O2 . Convert the number of moles of O2 to grams. Step 1: 70.4 g KClO3 is equal to 0.574 mol KClO3...