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Complete the following dissociation equations to communicate what occurs when the following substances are adde to water
Reactants → Products
a) Cr(s) and H2O →
b) (NH4)2OOCCOO(s) and H2O →
c) TICI(s) and H2O →
d) C6H12O6 and H2O →
e) GeF4(g) and H2O →
How is the cleaning power of soaps affected by hard water. How do water softeners alter this phenomenon
What is the concentration of free [Cu2+] in an aqueous solution prepared as 0.25M in Cu2+ and 1.50M [NH3]. Cu2+(aq) + 4NH3? [Cu(NH3)4]2+ (aq) Kf = 5.0 x10^12
A 54.9 g sample of the compound X2O7 contains 33.6 g of oxygen atoms. What is the molar mass of element X
The surface area of the nail is 8.59 cm. The density of the zinc is 7.13 g/cm3 how many zinc atoms are used in the coating?
Given a balanced chemical equation and enthalpy of reaction, relate energy change to amount of reactant or product
A sample of N2 gas occupies 2.40L at 20 degress cecius. if the gas is in a container that can contract or expand at constant pressue, at what temperature will the N2 occupy 4.80 L?
How many grams of carbon monoxide (CO) are produced from a mixture of 70.0g SiO2 and 50.0 g of carbon. The balance ewaution is given below.
Determine the procedure to make 250ml of 0.1M H3PO4 from concentrated 85%(by mass) H3PO4.
Acid, Bases and Proton Transfer, what is the direction of proton transfer?
2.0 atm H2 and 2.0 atm of CO2 into a 1.00-L container at 25.0C and then raises the temperature to 700C at which Kc=.534 H2 + CO2--> H2O + CO, how many grams of H2 are present at equilibrium.
many cigarette lighters contain liquid butane rm c4h10 lusing enthalpies of formation calculate the quantity of heat
Problem- The condensation of steam to water at 90 degrees Celsius causes the entropy of the steam to decrease. Why. What must be true of the process of steam condensation if the second law of thermodynamics is satisfied.
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