Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
A smple of mixture of NaCl, Caco3 and SiO2 weighed 7.30 grams. During the water wash the sample lost 2.21 grams. After treatment with HCL, the sample weighed 2.05 grams.
a. What is the perecent of NaCL by mass in the sample?
b.What are the percentages of Caco3 and SiO2 by mass in the sample?
If 30.0 L of oxygen gas is cooled from 473 K to 274 K at constant pressure, what is the new volume of oxygen
Determine the rate law and the numerical value for K based on the following data :
how much NaCl is present in one serving (105g ) of chips? Express your answer to three significant figures and include the appropriate units. (in grams)
The number of moles in 15.39 g of C2H6O (molar mass =46.1 g/mol) is ,You transfer a sample of gas at 17 degrees C from a volume of 4.71 L and 1.10 atm to a container at 37 degrees C.
Consider a rigid, adiabatic, impermeable cylinder (i.e., a closed isolated system) that consists of two chambers (i.e., simple systems) that are separated by a wall that is permeable
A gas expands and does P-V work on the surroundings equal to 325 J. At the same time, it absorbs 161 J of heat from the surroundings. Calculate the change in energy of the gas.
How many liters of F2 at STP could be liberated from the electrolysis of molten NaF under a 2.16 ampere current
A NiMH battery containing 4.10 g of NiO(OH)was 50% discharged when it was connected to a charger with an output of 1.30 A at 1.3V.
What is the specific heat of a substance that requires 124 J to raise temperature of 95.5 g from 20.0 degrees celsius to 25 degrees celsius?
The moles of salicylic acid is 0.00724mol. The molar mass is 138.12 salicylic acid . Given 1.00 g of salicylic acid . Please show work? m=mol of solute X particles per formation/ mass of solvent, kg
Assume that an air conditioner consumes 1.50 X 103 W of electrical power, and that it can be idealized as a reversible Carnot refrigerator. If the coefficient of performance of this device is 2.50, how much heat can be extracted from the house in ..
How many mL of 0.525M calcium chloride are needed to obtain 5.00x10 22 chloride ions.
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!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd