Explain how many mole of h2o are needed to react completely

Assignment Help Chemistry
Reference no: EM13653893

Potassium metal (K) reacts violently when added to water according to the balanced equation: 2K+ 2H2O-->2KOH+H2. how many mole of H2O are needed to react completely with 7.54 mol of K?

Reference no: EM13653893

Questions Cloud

How to calculate the cost of heating 200 ml of water : Calculate the cost of heating 200 ml of water (enough to make a cup of coffee or tea) from 20 degrees celcius to 100 degrees celcius
Calculate the tension in the left and right cables : A light fixture of 100N hangs from a verticalchain that is tied to two other cables that are fastened to asupport. Calculate the tension in the left and right cables
How much heat in kcal must be added : How much heat in kcal must be added to 0.68 kg of water atroom temperature ( 20 C) to raise its temperature to 39 C? A quantity of steam ( 450 g) at 115 C is condensed, and theresulting water is frozen into ice at 0 C. How much heat was removed?
Find out the lime cao and soda ash : Determine the lime (CaO) and soda ash (Na2CO3) dose, mg/L as CaCO3, to soften the following water to a final hardness of 90.0 mg/L as CaCO3. Assume the lime is 90% pure and the soda ash is 97% pure.
Explain how many mole of h2o are needed to react completely : Potassium metal (K) reacts violently when added to water according to the balanced equation: 2K+ 2H2O-->2KOH+H2. how many mole of H2O are needed to react completely with 7.54 mol of K
What is the work done by gravity on the book : Say you have a 10 kg book sitting on a table. You pick that book upand place it 3 m below on the ground. what is the work done by gravity on the book
What is the directionof the magnetic field at the center : A loop of wirein the plane of the floor has a clockwise current of 7.78A. The radius of the loop is 19.7cm. Use the Biot SavartLaw to calculate the magnetic field at the center of the loop. What is the directionof the magnetic field at the center? Ex..
An astronomical telescopeuses : An astronomical telescopeuses
A charged particle moves through a velocity selector : A charged particle moves through a velocity selector at a constantspeed in a straight line. The electric field of the velocity selector is 4.15*103 N/C, while the magnetic field is 0.360T.

Reviews

Write a Review

Chemistry Questions & Answers

  Explain how to develop a scheme to separate ag+ and mg2+

Develop a scheme to separate Ag+, Mg2+, and Pb2+ cations in solution and draw a flow chart that depicts your scheme.

  Define what mass of carbon dioxide is produced

What mass of carbon dioxide is produced from the complete combustion of 5.80×10^3 g of methane. Express your answer with the appropriate units.

  A bottle of acetaminophen tylenol containing 75 tablets

a bottle of acetaminophen tylenol containing 75 tablets 325-mg each sells for 2.29. calculate the cost of one billion

  Define the anticpated rate in grams per minute ethanol

What is the anticpated rate in grams per minute at which ethanol will be formed at a rate of 100 L per minute at 573 K and 69.08 atm

  Explain what mass of fe (oh)3 would be produced by reacting

what mass of Fe (OH)3 would be produced by reacting 75.0 mL of a 0.0815M Fe( NO3)3 solution with 125 mL of a 0.150 M NaOH solution

  Explain the critical point for propane

A 500 L tank contains 525 moles of propane at 100°C. The critical point for propane is 369.9K and 42.0 atm. Calculate the tank pressure (absolute) using the Virial Equation (1st order). Note: ? = 0.152 for propane.

  Explain how many molecules would be contained at pressure

How many molecules would be contained in each of the following at the same temperature and pressure. A.) 5.0 L hydrogen

  Evaluate the ph after 0.020 mol of naoh

Calculate the pH after 0.020 mol of NaOH is added to 1.00 L of a solution consisting of 0.100 M HONH2 and 0.100 M HONH3Cl

  Explain how much heat is produced in the burning

If the molar enthalpy of combustion of ethane is -1.56 MJ/mol, how much heat is produced in the burning of;

  State aqueous hcl and heat to give a clear aqueous solution

A compound A (C22H27NO) is insoluble in acid and base but reacts with concentrated aqueous HCl and heat to give a clear aqueous solution from which, on cooling, benzoic acid precipitates.

  Te density of toluene c7h8 is 0867 gml and the density of

the density of toluene c7h8 is 0.867 gml and the density of thiophene c4h4s is 1.065 gml. a solution is made by

  Define element mol-% to determine the cation si:fe ratio

According to XRF my sample has 41 wt-% of SiO2 and 59 wt-% of Fe2O3. How do I convert the oxide wt-% to element mol-% to determine the cation Si:Fe ratio

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