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How many seconds will be required to produce 1.0 g of chromium metal by the electrolysis of a Cr(NO3)3 solution using a current of 3.0 A?
Could someone please help me with the work for this.
When 1.0 g of snack cake is combusted in a constant-pressure bomb calorimeter with a heat capacity (including its water) of 10.0 kJ/°C, the temperature of the calorimeter rises by 2.24°C. How many nutritional calories (Calories) are in one serving..
a sample of sugar d-ribose c5h10o5 of mass 0.727g was placed in a calorimeter and ignited in the presence of excess
Suppose a solution contains 0.27 M Pb2 and 0.45 M Al3. Compute the pH range that would allow Al(OH)3 to precipitate however not Pb(OH)2. The Ksp values for Al(OH)3 is 4.6*10-33 as well as Pb(OH)2 is 1.43*10-20
suppose you get the same data that you recorded in your lab but you mistakenly thought the mol ratio of acetylsalicylic
Saturated acetone vapor enters a heat exchanger at a rate of 8.40 L/s and 1 atm, and emerges from the heat exchanger as a saturated liquid at the same pressure. Water at 1 atm enters the heat exchanger at 10.5 C and at a rate of 9.48 mol/s
Use the appropriate standard reduction potentials to calculate the value of K at 25 degrees Celcius for the reaction NiO2(s) + 2Cl^-(aq) + 4H^+(aq) ---> Cl2(g) + Ni^2+ (aq) 2H2O(l)
Aqueous ammonium chloride and aqueous lead(II) nitrate Express your answer as a chemical equation. Identify all of the phases in your answer. Enter NOREACTION if no reaction occurs.
Calculate the wavelength of the radiation released when an electron moves from n=5 to n=2. The answer i got was 152 nm but apparently thats wrong.
Explain how many molecules of carbon dioxide and water are the products of oxidation of leucine. Specify the amount for each not just the total
Draw a structure consistent with the following set of data: a hydrocarbon with a molecular ion at m/z = 68 and an IR absorptions at 3310
Find the value of Pressure - How much more pressure will the gas exert if the temperature is raised to 44.1°C?
determine the molarity of a solution of twenty grams of ammonium bromide nh4br in enough water to produce 132 ml of
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