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A chemist wants to make 6.0L of a .350M CaCl_2 solution. What mass of CaCl_2 should the chemist use?
determine the mass of silver phosphate formed when 4.33 g of silver nitrate is reacted with 22.7 mL of .118 M K3PO4 ?
odium carbonate (Na2CO3) can be produced by heating sodium bicarbonate (NaHCO3). A student heats 5.128 g sodium bicarbonate to completely decompose the sample to sodium carbonate.
A 5.00 g sample of KBr at 25.0°C dissolves in 25.0 mL of water also at 25.0°C. The final equilibrium temperature of the resulting solution is 18.1°C.
Write equations for the reaction of each of the following with (1) Mg in ether followed by (2) additione of D2O to the resulting solution:
If the copper is drawn into wire whose diameter is 8.50 mm , how many feet of copper can be obtained from the ingot? The density of copper is 8.94 g/cm^3 .
Determine the molecular formula of a compound which has a empirical formula of CH3 and a molar mass of 60.0 g/mol.
How much heat is absorbed in the complete reaction of 3.00 grams of SiO2 with excess carbon in the reaction below?SiO2(g) + 3 C(s) → SiC(s) + 2 CO(g) ?H for the reaction is +624.7 kJ/mol
What is the balanced equation for copper (II) hydroxide + acetic acid (HC2H3O2)? and what is it's reaction, single, or double replacement.
A reaction initially contains 0.1 moles of H2(g) and I2(g) in a 1L flask. At equilibrium the final concentration of HI(g) is 0.19M. What is Kp for this reaction.
For the isoelectronic series[V(CO)6]-, Cr(CO)6, and [Mn(Co)6]+, does the energy of the metal to ligand charge-transfer bands increase or decrease with increasing charge on the complex? Why?
Explain Gibbs-Duhem Equation, In a certain binary solution, the activity of component 1 is given by
Which graduated cylinder would have the greatest volume change if equal masses of Au and Pt are transferred to equal volumes of H2O in separate graduated cylinders? Density of gold = 19.31 g/cm3 , density of platinum =21.43 g/cm3
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