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Which one of the following is a redox reaction?
Answer
A. 2Na(g) + Cl2(g) → 2NaCl(s)B. K2Cr2O7(aq) + 2KOH(aq) → 2K2CrO4(aq) + H2O(l)C. Ba2+(aq) + SO42-(aq) → BaSO4(s)D. H2O(l) → H+(aq) + OH-(aq)E. Na2CO3(s) + 2HCl(aq) → 2NaCl(aq) + CO2(g) + H2O(l)
A canister is filled with 310 of ice and 100. of liquid water, both at 0 . The canister is placed in an oven until all the has boiled off and the canister is empty. How much energy in calories was absorbed?
Make educated guesses at the pictures for the LGO's for tetrahedral and octahedral. Propose the appropiate pictures for the LGO's symmetry labels for the square pyramidal Cr(CO)5. With your pictures, can you justify the energy levels for the bondi..
Consider the following reaction: 2Mg + O2 --> 2MgO , Rate = k[Mg][O2]^2 Part A What is the overall reaction order? Express your answer as an integer. Part B What are the units of the rate constant k for this reaction?
A container holds 355 mL of a mixture of nitrogen and carbon dioxide gases. Calculate the partial pressures of each gas if the container is at 27.3oC.
Empirical Formula of a Compound and Conversion, The characteristic odor of pineapple is due to ethyl butyrate, a compound containing carbon, hydrogen, and oxygen
Find the Density of a substance with a mass of 51.2g and a volume of 150mL
Can someone please help me I need to A. Write the complete equation for each reaction that produced a precipitate
Adrenaline is the hormone that triggers the release of extra glucose molecules in times of stress or emergency. A solution of 0.64 g of adrenaline in 36.0 g of CCl4 elevates the boiling point by 0.49°C. What is the molar mass of adrenaline?
A solution of sodium nitrate, NaNO3, in water is 5.181 molar and its density is 1.2680 g mL-1. Calculate the percent, by weight, of sodium nitrate in the solution.
milk is pasteurised when heated to 63 C for 30 minutes, but if it is heated to 74 C it takes only 15 seconds for the same result. Find the activation energy for this sterilisation process
Calculate the value of the rate constant for this reaction at 375 degrees celsius. I already calculated the activation energy which is 140.3 kj.
The concentration of the HCl solution is 0.1016 M HCl. What volume of 0.1338 M Ba(OH)2 would neutralize 50.00 mL of the HCl solution standardized in the situation above.
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