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Testing for Cl-
When you add 1mL of NaCl, 1mL of 6 M HNO3, and 3 drops of 0.1 M of AgNO3. When you test for ions why are ions present? I also conducted the experiment using an unknown and got the same results for both.
Testing for Fe^3+
Fe(NO3)3, 5 drops of 0.1 M KCNS why are ions present when you mix those solutions? I also conducted the experiment using an unknown and got the same results for both.
When a sample of neon with a volume of 628 mL and a pressure
Calculate the mass of sugar (C12H22O11) that must be dissolved in 700 g of water to prepare 20% sugar solution
Give the bond angle and describe the shape around the central atom designated in this molecule.
If 2.3g of sodium reacted with 1.8 of water, what would be the total mass of sodium hydroxide and hydrogen produced?
Determine the root-mean-square speed of CO2 molecules that have an average kinetic energy of 4.21*10^(-21) J per molecule.
In N2O, nitrogen is the central atom and the oxygen atom is terminal. In OF2, however, oxygen is the central atom.Use formal charges to explain why.
Thermal measurements show that deltaH for the I---->II phase transition is -743.1 J/mole, and deltaS for the same transition is -17.0 J/K/mole. At what temperature are solids I and II in equilibrium
Write a series of nuclear equations to represent the bombardment of Al-27 with a neutron to form a product that then undergoes an alpha decay followed by a beta decay
A canister is filled with 380g of ice and 100. g of liquid water, both at 0 C. The canister is placed in an oven until all the H2O has boiled off and the canister is empty. How much energy in calories was absorbed?
A backpacker wants to carry enough fuel to heat 2.9 kg of water from 27 degrees C to 100.0 degrees C. If the fuel he carries produces 36 kJ of heat per gram when it burns, how much fuel should he carry? (For the sake of simplicity, assume that the..
Describe the reaction as endothermic or exothermic, and reversible or irreversible. B) A reaction has Horxn = 5.0 kJ/mol and a forward activation energy, Ea = 55 kJ/mol. What is the activation energy for the reverse reaction?
A sample of pure (1 chloroethyl) benzene had a specific rotation of 87.2 degrees, while pure R 1 chloro-1-phenyl ethane has a specific rotation of -109 degrees. This sample was reacted with excess ammonia in diethyl ether at 0 c. The product mixtu..
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