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Calculate the mass in grams of each of the following: a. 6.02 x 1023 atoms of Mg.
the generated hydrogen gas h2 is collected over h2o at the temperature of twenty three degree celsius. the volume of
Describe an electrochemical cell tthat would have the following net equation, by answering the following questions.
when a clean iron nail is placed in an aqueous solution of copper(ll) sulfate, the nail becomes coated with a brownish black material.
A sample of gas occupies a volume of 73.8 mL . as it expands , it does 127.5 J of work on its surroundings at a constant pressure of 783 torr what's the final volume of the gas
a student removes the thermometer and stirring wire in part b of the experiment to add the naphthalene and wipes them
calculate the molecular weight of Isoamyl acetate with a density of 0.876. Then calculate the theoretical yield of isoamyl acetate in ml, grams and moles. Show all work and calculations.
what will be the volume of the blimp at a height of 2300 m, where the temperature is 12°C?
In the formula Ca + 2 H2O ----> Ca (OH)2 +H2 Determine the number of atoms for each element in the reactants.Determine the number of atoms for each element in the products.Given this determination, is the reaction balanced?
In its vibration-rotation spectrum what is the meaning of the P, Q, R branches. What is the J value of the lower rotational state in the R branch that gives the line of maximum intensity.
After a strenuous exercise session, someone experiences sever cramps in the ghighs and pain in the biceps. what chemical process occurs in the muscle cells to cause this discomfort and what chemical reactions have possibly taken place in the the b..
At 25°C, K = 0.090 for the following reaction. H2O(g) + Cl2O(g) 2 HOCl(g) Calculate the concentrations of all species at equilibrium for each of the following cases. (a) 1.4 g H2O and 2.3 g Cl2O are mixed in a 1.4-L flask. HOCl Cl2O H2O (b) 1.0 mo..
In the reaction 2P + 5Cl2 2PCl5, how many moles of atomic chlorine need to be reacted to form 525 g of PCl5?
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