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Problem- Which of the following happens when MnO4- reacts to form MnO2? a. The oxidation state of oxygen increases b.MnO4- is reduced. c. MnO2 acts as an oxidizing agent. d. The oxidation state of manganese increases
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A 4.9 M magnesium chloride solution needs to be created. What is the least amount of grams of magnesium chloride that I can use to create this solution.
What is the stoichiometric coefficient for oxygen gas when the following reaction is balanced using the smallest whole number coefficients?C12H26(g) + O2(g) ? CO2(g) + H2O(g)
Calculate the mass of magnesium, in mg, needed to generate 80.0 mL of H2 gas. Assume a temperature of 22.0 °C
3.06 grams of hydrogen is allowed to react with an excess of o2 gas to form 27.35g of h2o. in a second experiment
1. we have a solution of unknown substance dissolved in water at the temperature of 300 kelvin this solution gives
what is the difference in structure between tyrosine & pheylanaline. which amino acid has the highest percentage of nitrogen? (g N/100g amino acid)
question a gas mixture is made by combining 8.9 g each of ar ne and an unknown diatomic gas. at stp the mixture
a how many atoms of helium gas fill a spherical balloon of diameter 31.0 cm at 18.0degc and 1.00 atm?b what is the
Balance the equation below using the smallest whole numbers for coefficients assuming the redox reaction occurs in acid solution. Add water where appropriate
The temperature of 55.6 grams of a material decreases by 14.8 degrees C when it loses 3080 J of heat. What is its specific heat?
Question- A plant makes liquid CO2 by treating dolomite limestone with commercial sulfuric acid. The dolomite analyzes 68% CaCO3; 30% MgCO3 and 2.0% SiO2. The acid used is 94% H2SO4 and 6% H2O. Calculate-
the total volume of the gas bags of the german dirigible hindenberg, was 2.0 * 10^5m^3. how many grams of H2 would be required to fill them at 20 celcius and 1.00 atm pressure? hint convert m^3>cm^3>mL>L.
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