How many molecules of hydrogen gas are formed

Assignment Help Chemistry
Reference no: EM13154910

Solid sodium reacts violently with water, producing heat, hydrogen gas, and sodium hydroxide. How many molecules of Hydrogen gas are formed when 48.7g of sodium are added to water?
2Na + 2H2O -> 2NaOH + H2

Reference no: EM13154910

Questions Cloud

What happens with the levels of law enforcement and crime : Graph the best response functions. Find the Nash Equilibrium of this game. What happens with the levels of law enforcement and crime (in Nash Equilibrium) when the cost of law enforcement c goes up?
Explain how much energy is required to turn : how much energy is required to turn 500 g of ice at -15.0 celsius to liquid water at 55.0 celsius? specific heat (ice) = 2.10 J/g * C. Specific heat (water)= 4.18 J/g*C
How many grams of kclo3 are needed : The decomposition of potassium chlorate yields oxygen gas. If the yield is 95%, how many grams of KClO3 are needed to produce 10.0L of O2 2KClO3(s) -> KCl(s) + 3O2(g)
Write down the long-run total cost as a function : Suppose that the cost of a unit of capital is r and the price of a unit of labor is w and the level of output is y. Write down the long-run total cost as a function of w, r, and y.
How many molecules of hydrogen gas are formed : Solid sodium reacts violently with water, producing heat, hydrogen gas, and sodium hydroxide. How many molecules of Hydrogen gas are formed when 48.7g of sodium are added to water?
The phase diagram starts at ok and gradually increases : The phase diagram starts at 0K and gradually increases from 100k to 200k and as it hits 200K, the line splits apart increasing in pressure
Explain greater consumer surplus : If the entry barrier is removed consumers will be better off because consumers will enjoy greater consumer surplus. Explain.
How many grams of nacl could be produced : For the reaction 2Na(s) + Cl2(g) -> 2NaCl(g), how many grams of NaCl could be produced from 103.0g molecules of Na and 13.0 of Cl2 (at STP)?
Lomax enterprises should recognize depreciation expense i : Lomax Enterprises purchased a depreciable asset for $27,500 on March 1, Year 1. The asset will be depreciated using the straight-line method over its four-year useful life. Assuming the asset's salvage value is $3,100,

Reviews

Write a Review

Chemistry Questions & Answers

  What happens if cellulose is reacted with maleic anhydride

similarly, what happens if cellulose is reacted with maleic anhydride C4H2O3? Again, how is the cellulose molecule/structure altered and what are the reaction by-products?

  Construct quantum mechanical operators

Construct quantum mechanical operators for the following observable: (1) the inverse separation 1/x

  How many grams of pbi2 should form

A 99.8mL sample of a solution that is 12.0% KI by mass(d=1.093g/mL) is added to 96.7mL of another solution that 14.0%Pb(NO3)2 by mass (d=1.134g/mL). How many grams of PbI2 should form.

  Compute the mole percent composition of the mixture

Calculate the mole percent composition of the mixture. Assume that the response of the detector (area per mole) is the same for each component.

  What is the molarity of acetic acid in the sample

A 15.0-­-mL unknown sample of aqueous acetic acid, CH3COOH(aq), was titrated using 0.800 M NaOH. If the titration endpoint was found to be 20.0 mL.

  Determine the concentration of h+ ions

Determine the concentration of H+ ions in a solution of HCl that was prepared b diluting 50.0 mL of concentrated (11.6 M) Hydrochloric acid to a final volume of 500mL?

  Explain synthesis of compounds

The professor wants us to do the following: Outline all steps in the possible synthesis of each of the following compounds from benzene and / or toluene

  How many moles of koh were in the sample

a 75.0 mL sample of potassium hydroxide, KOH, of unknown concentration is titrated with 42.5 mL of 0.575 M acetic acid. How many moles of KOH were in the sample?

  Find out the dh for the given reaction

find out the ΔH rxn for the given reaction as C 3 H 4 (g) + 2 H 2 (g) → C 3 H 8 (g)

  What mass of water can be heated

What mass of water can be heated from 36C to 100C by burning this piece of coal? Answer in units of g.

  Compute the frequency of radio waves

One of those bands consists of radio waves with a wavelength near 20.m . Calculate the frequency of these radio waves. Be sure your answer has the correct number of significant digits.

  What is its final temperature

A 5.0×101 sample of water absorbs 355 of heat.If the water was initially at 25.9, what is its final temperature.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd