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(a) If 32.3 grams of zinc oxide and 7.2 grams of water combine to form zinc hydroxide, how many grams of zinc hydroxide must form?
(b) If 30.0 grams of ammonium chloride react to form 9.6 grams of ammonia, how many grams of hydrogen chloride must simultaneously be formed?
A sample of natural gas contains 1 mole of gas X, 0.5 mole of gas Y, and 3.5 moles of gas Z. If the partial pressure of gas x is 0.4 atm, what is the partial pressure in atm of gas Z
If you a litre (1000mL) bottle of oil in your engine, how much heat is produced in kcal?In BTU To solve this problem you must know the density of motor oil is .82 g/mL.
The density of ethanol is 0.789 g/cm3. What is the density of the object?
Calculate the wavelength in nanometers of the spectral line in the visible spectrum of hydrogen for which n1 = 2 and n2 = 3. What color is this line?
Unfold the enzyme with urea and 2-mercaptoethanol. Then incubate and crystallize it in the presence of the substrate followed by X-ray crystallography.
What mass of silver iodide can be made by the reaction of 10.0 g of Silver nitrate (AgNO3) with 10.0 g of sodium Iodide (NaI)? Ag+(aq) + I-(aq) ---> AgI (s)
Which of the following has the smallest mass? a. 3.50 x 1023 molecules of I2
a an aqueous methanol ch3oh solution has a mole fraction of 0.525 of methanol. what mass of water would be present in
Calculate how many joules are needed to heat and calculate the theoretical volumes of 1.0 M Tris base?
ammonia is completely decomposed to nitrogen and hydrogen, as in question B). At the end of the experiment the pressure of gas mixture is 866mmHg. calculate the partial pressures of N2 and H2.
Lewis Structure for a Nitrate Ion (NO3-1). For the correct structure of the nitrate ion, what is the bond angle from O-N-O
Describe a procedure that might be used to separate p-dichlorobenzene
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