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Problem- Write complete balance molecular equation for the following reactions and what type of reaction it is?
a) Solid copper (II) oxide with aqueous sulfuric acid
b) Aqueous copper (II) sulfate with solid zinc
c) Solid copper (II) hydroxide with heat producing solid copper (II) oxide and liquid water
d) Aqueous copper (II) nitrate with aqueous sodium hydroxide
State the correct equation and solve the problem
question how long does it take a person at rest to breathe one mole of air if the person breathes 80.0mls of air that
The permanganate ion is a common oxidizing agent. What is the reduction potential at 25C of MnO4-, H+/ Mn2+ couple at pH=6.00
Zinc is reacted with hydrocloric acid to make hydrogen gas and zinc chloride. when 42.86 g of zinc is added to 40.11g of hydrochloric acid, 63.22g of zinc chloride were collected.
Will turn into a liquid at room temperature. Off the Periodic Table pick three solid elements that would float when placed in mercury as well as three elements that would sink when placed in mercury.
A sample of calcium metal is contaminated by a certain amount of highly toxic, radioactive thorium metal (Th). A 10.00-gram sample of this mixture is dissolved in acid, and reacted with excess sodium oxalate to form a precipitate which is a mixtur..
When the sample is submerged in ice water at T = 0.00 C, its volume decreases to 2.57 L. what was its initial temperature (in K and C)?
A titration is performed to determine the amount of sulfuric acid, H2SO4, in a 12.00 mL sample taken from car battery. About 50 mL of water is added to the sample, and then it is titrated with 48.62 mL of a standard 0.6403 M NaOH solution
Calculate the spring constant of this silicone band including units. I know Hooke's law is F=-KX, where F is force, -K is the consent of the spring which I need to find and X is the displacement from relaxed position, but i'm giving the oscillatio..
which of the following is NOT a vitamin that is used by cells to produce a cofactor requires by alpa-ketogluterate dehydrogenase
Explain why should apparatus always be clamped securely to a metal ring stand before starting a chemical reaction
The solubility of AgCl(s) in water at 25 degrees celsius is 1.33x10^-5 mol/L and its change in enthalpy of solution is 65.7 kJ/mol
For each gas below compute the pressure at 375 K of 75 moles of gas in a 100 Liter tank utilizing the three different equations- Van Der Waal's equation, Redlich-Kwong equation and Virial equation.
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