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The reaction of Zn and Cu2+ produces a brown solid product. Explain what the identity of this product is. Give a balanced equation that shows the formation of this brown product
Two substances are mixed together. Explain how the observer could determine if this reaction is just a mixture or an actual chemical reaction. Give an example of two reactants that would form a mixture and two reactants that would form a chemic..
if 50.0 mL of 10.0 degrees ceclius water is added to 40.0 mL of 65.0 degrees celcius, calculate the final temperature of the mixture assuming no heat is lost to its surroundings,
A 347 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 630. mmHg. Calculate the moles of Ar present.
A patient with type I diabetes has come to the emergency room with ketoacidosis. which of the following would help to explain her high blood pressure
A polonium parent having 84 protons as well as 130 neutrons undergoes a series of three radioactive decays, one β decay and two α decays. Explain what is the name and symbol for the daughter species that results from this decay
Basic Copper Carbonate contains 57.84% copper and 5.43% carbon by mass. What mass of copper in grams is contained in 7.061 kg of basic copper carbonate
A solution is prepared by dissolving 35.0 g of hemoglobin (Hb) in enough water to make up 1 L in volume. If the osmotic pressure of the solution is found to be 10.0 mmHg at 25 oC, calculate the molar mass of hemoglobin
a compound is found to be 30.45n and 69.55 o by mass. if 1.63g of this compound occupy 389ml at 0.00 celsius and 775 mm
You have 0.3991 g of an unknown monoprotic acid, HA, which reacts with NaOH according to the balanced equation HA + NaOH ® NaA + H2O
Determine the volume of oxygen gas required to completely combust 3.5 mol of propane in a bbq at standard pressure and 28.0C
What is the pH at the equivalence point? what is the pH at the 10.0 mL base added? what is the pH at the 30.0 mL base added?
indicate whether each are activating or deactivating, and whether each are ortho para or meta directing substituents.
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