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Name the following binary compounds. You must spell correctly. CO2
Mg3N2
FeO
Al(ClO2)3
LiNO3 - 3H2O
HBr (aq)
HIO4(aq)
Explain a sample of helium has a volume of 480 ml at 47.0 Celsius and 740 mmHg. If the temperature is lowered to 22oCelsius. And the pressure to 625 mmHg. What is the new volume
Given: 2 NH3(g)N2(g) + 3H2(g); H = + 91.8 kJ/mol rxn 1. (1) What is qp value for one mol rxn.? 2. (1) Is this exo- or endothermic? 3. (1) Which element is reduced? 4. (2) What is enthalpy change per mol NH3?
indicate whether each of the following statements indicates an acid or a base. a. makes a red ant sting b. produces OH- in water c. Has a soapy feel D
Formula Molar Mass (g/mol) ?G°f (kJ/mol) ?H°f (kJ/mol) S° (J/(K mol)) I2(g) 253.812 19.33 62.44 260.69 I2(s) 253.812 0 0 116.14 T = (NA) K R = 8.314 J/(K mol) Calculate the temperature (K) at which the equation as written is at equilibrium.
the daily dose of ampicllin for the treatment of an ear infection is 115mgkg of body weight. what is the daily dose for
Come up with a practical use for Prep-GC coupled with IR spectroscopy. Hint: if you can't identify your compound and you have a large peak above 3000 cm^-1, then think of a very common liquid that has OH's.
The heat of solution of ammonium chloride is 15.2 kJ/mol. If a 6.134 g sample of NH4Cl is added to 65.0 mL of water in a calorimeter at 24.5°C, what is the minimum temperature reached by the solution?
If the freezing point depression of water is -1.86 degrees/m, what would be the freezing point of this solution
Calculate the mass (in grams) of the product formed when 3.95 of Ba completely reacts. Assume that there is more than enough of the other reactant
Phosphoric acid is a weak triprotic acid with the formula H3PO4. If you have 50.0mL of a 1.0 M solution of H3PO4, explain how many grams of NaOH MM = 40.0g/mol must you add to make a buffer with a pH of 7.00
Beakers 1 through 4 contain 2.3, 1.91, 5.985, and 0.52 g of dry potassium nitrate respectively. How many moles of potassium nitrate were recovered after the water evaporated
Using the following data for the specific volume of mercury, estimate the error in a temperature reading from a mercury-in-glass thermometer when the actual temperature is 600C
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