Calcium hydride, CaH2, reacts with water to form hydrogen gas.CaH2(s) + 2 H20() → Ca(OH)2(aq) + 2 H2(g)This reaction is sometimes used to inflate life rafts, weather balloons, and the like, where a simple, compact means of generating H2 isdesired. How many grams of CaH, are needed to generate 15.0 L of H, gas if the pressure of H, is 780. torr at 16°C?g

Answered: Image /qna-images/answer/4ce5ac4b-5562-4e7d-8e07-45b36997684c.jpg

Answered: etimes used to infla grams of CaH2 are

Science

Chemistry

etimes used to infla grams of CaH2 are

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

Q: What amount (in mol) and what mass (in g) of water can be produced when 82.1 ug of ethane reacts…

A: The reaction considered is, C2H6 (g) + O2(g)→H2O(l)+CO2(g) The balanced equation of this reaction…

Q: Say you have a stock of 15% NaCl and need a reaction concentration of [x]% in a total reaction…

A: Total Volume=25μl 15%NaCl need to the reaction,

Q: 8. 4KCIO, → 3KCIO̟ + KCI a) KCIO, to KCI b) ксiо, to KCI c) ксiо, to Kcio,

A: The equation that contains an equal number of atoms on both sides of the equation is known as a…

Q: How many moles of H2O are needed to produce 55.7 g of H2?Round to the nearest hundredth

A: The balanced chemical equation for the reaction between hydrogen gas (H2) and water (H2O) is: 2H2O →…

Q: 10g of concentrated Pinacol and 12ml of water react with 12ml of Concentrated H2SO4 to form 5.133g…

A: The theoretical yield refers to the maximum amount of product which should be obtained in a reaction…

Q: 2C4H10+13O2-->8CO2+10H2O How many grams of O2 are need to react with of 85 grams of butane

Q: -> Naz0(s) _CO2(g) H2O(g) Theoretical yield (grams) of NazO: Percent yield (Run 1) =

A: In the given question we have to calculate the theoretical yield of the product formed by the…

Q: 65.8 grams of C3H8 reacted with excess oxygen. The percent yield of water was 35.0%. How many grams…

Q: According to the balanced reaction below, calculate the moles of NH, gas that form when 4.2 mol of…

Q: How many moles ofcarbon dioxideare produced from 4.0 moles of C3H8

A: chemical reation with oxygen to produce CO2 C3H8(g) + 5 O2(g) → 3 CO2 (g) + 4H2O(g)

Q: Refer to the following unbalanced equation: C6H14 + O2 ---> CO2 + H2O What mass of oxygen (O2)…

A: Given, unbalanced chemical reaction is - C6H14 + O2 ---> CO2 + H2O It can be balanced as -…

Q: Set up the mole ratio of CO2to O2.

A: For the general case, the atmospheric pressure is 1.00 atm and temperature 298.15 K, the volume of 1…

Q: How many moles of H2 and N2 can be formed by the decomposition of 0.185 mol of ammonia, NH3?

A: The decomposition reaction of ammonia that will take place is 2 NH3 ------> N2 + 3 H2

Q: For the chemical reaction 3 KOH + H, PO, K,PO, +3 H,0 what mass of potassium phosphate is produced…

Q: 28.528.5 mol of P4O10P4O10 contains how many moles of PP?

A: Given, 28.5 mol of P4O10

Q: Given the balanced chemical equation below, 2 NO(g) + 5 H2 (g) --> 2 NH3(g) + 2…

Q: What mass of N2 will be produced from the reaction of 50.0g N2O4 with 45.0g N2H4? N2O4(l) + 2…

A: Balanced Reaction N2O4(l) + 2 N2H4(l) --> 3 N2(g) + 4H2O(g)

Q: What mass of NH3 is needed to completely react with 0.600 moles of O2 (g) based on the reaction…

Q: What is the max CaCO3 produced?

Q: A 39.59 sample Of copper B heated in the presence of excess Oxygen and is converted to copper l11)…

A: Given, mass of copper sample = 39.5 g Mass of copper (II) oxide formed = 45.5 g Molar mass of Copper…

Q: Fill in the blanks for the balancing stoichiometric coefficients for the following reaction _____…

A: the balancing stoichiometric coefficients for the following reaction will be: as this is a…

Q: carbonate

A: Molar mass of H2O = 18gmol-1 Molar mass of CO2 = 44gmol-1 According to the balance chemical…

Q: What is the coefficient in front of oxygen gas when the following chemical equation is balanced?…

A: For the balancing the chemical reaction we choose such a coefficient to the reactants…

Q: If the molecules in the above illustration react to form IF3 according to the equationI2 + 3 F2 2…

A: I hope this helps you! Thank you! Explanation:Step 1: The limiting reagent = l2 (lodine)The number…

Q: Consider the Haber-Bosch process for the synthesis of ammonia from its elements. Calculate the…

Q: MnO2 + 4HCl ---> MnCl2 + Cl2 + 2H2O If 0.76 mole of MnO2 reacts with 46.7 g HCl, and 22 g of…

A: Limiting reactant :- A reactant which is present in lesser number of moles than required as per…

Q: When 3.2 kg of Al & Fe2O3 react, formed are ___ kg of Fe & Al2O3

Q: mass

Q: What mass of CL2 will be needed to react completely with 85.8 g of KL

Q: 2.) The first step in the reaction of Alka-seltzer with Stomach acid consists of one reacting with…

A: We have to find the moles of carbonic acid formed.

Q: Percent yield. 4Fe + 3O2 ---> 2Fe2 O3 Starting with 320g of oxygen gas you produce 75g of…

Q: Determine the number of grams of CO2 produced according to the following equation when 7.3 g of C3H8…

A: Given reaction is

Q: 10 g H2O reacts with 4.5 g Na to produce NaOH and H2

A: Na + 2H2O ----> 2NaOH + H2 Mass of H2O = 10 g Moles of H2O =mass/MM = 10/18 = 0.556 mol Mass of…

Q: given that 4 NH3 + 5O2 -> 4NO + 6H2O if 3.00 mol NH3 were made to react with excess of oxygen gas,…

A: The Equation is given as 4 NH3 + 5O2 -> 4NO + 6H2O The amount of H2O formed has to be…

Question

Calcium hydride, CaH2, reacts with water to form hydrogen gas.
CaH2(s) + 2 H20() → Ca(OH)2(aq) + 2 H2(g)
This reaction is sometimes used to inflate life rafts, weather balloons, and the like, where a simple, compact means of generating H2 is
desired. How many grams of CaH, are needed to generate 15.0 L of H, gas if the pressure of H, is 780. torr at 16°C?
g

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

Carbon dioxide can be created by burning carbon in oxygen: C + O2 → CO2 Approximately how many moles of carbon dioxide can be created from 36.0 g C and excess O2?
Question 16 of 96 Submit Determine the number of atoms of O in 54.1 moles of Cr3(PO4)2. | atoms 1 2 4 6. C 7 +/- x 10 0 Tap here or pull up for additional resources LO 00
10. Using the following reaction 2KCIO; -2KCI +302 If 10g of oxygen were produced, what mass of KCIO, (GFM = 122.6g/mol) was added? %3D Number unit
1.90 gg H2H2 is allowed to react with 9.94 gg N2N2, producing 2.98 gg NH3NH3. What is the percent yield for this reaction under the given conditions?
Given that 4 NH3 + 5 O2 ----> 4 NO + 6 H2O, when 4.50 mol of H2O are formed, the amount of NO formed is :
Data Table 2: Alum Data Object Mass (g) Aluminum 2.38 g Cup (Empty) Aluminum Cup + 2.0 grams of Alum Aluminum Cup + Alum After 1st Heating Aluminum Cup + Alum After 2nd Heating Mass of Released 4.38 g 3.48 g 3.48 g 0.900 g
How many grams of NH3 can be produced by mixing 14 g of N2 with 6.0 g of H2? Given: N2 + 3 H2 ------> 2 NH3 a.) 20g b.) 17g c.) 34g d.) 51g
Fill in the table and calculate percent yield
The reaction of H2 and O2 produces water 2H2 + O2 -> 2H2O How many moles of O2 are required to react with 3 mile of H2?
How many moles of MgS2O3 are in g207 of the compound?