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1. Calculate the MM of MgNH4PO4·6H2O.
2. Assuming 100% theoretical yield, how many grams of P2O5 can be produced from 35.0 grams of PO4
3. What is the percentage P2O5 in a name brand plantfood if the starting mass of a sample of plantfood was 200.00 grams and the experimentally determined mass of P2O5 was 30.5 grams?
Problem- Calculate the rotational partition function at 298 K for the following molecules (all info required for calculation given).
The base-dissociation constant of ethylamine (C2H5NH2) is 6.4 × 10-4 at 25.0 °C. The of [H+] in a 1.6 × 10-2 M solution of ethylamine is __________ M. ( Ans: 3.5 × 10^-12)
The Rice-Herzfeld mechanism for the thermal decomposition of acetaldehyde (CH3CO) is the following below (10 points) (1) CH3CHO ---> CH3' + CHO' (k1) (2) CH3' + CH3CHO ---> CH4 + CH2CHO' (k2) (3) CH2CHO' --->CO + CH3' (k3) (4) CH3' + CH3' --->C2H6..
The total number of moles of products formed
At 22 degrees C an excess amount of generic metal hydroxide M(OH)2 is mixed with pure water. The resulting equilibrium solution has a pH of 11.05. What is the Ksp of the salt at 22 degrees C
At 25°C and 1.00 atm pressure, one liter of ammonia is bubbled into 725 mL of water. Assume that all the ammonia dissolves and the volume of the solution is the volume of the water
100 moles of C4H10 undergoes complete combustion in excess air. First, show the degree of freedom analysis for this process. Then calculate the composition (mole fractions) of the stack gas on a wet basis for the following three cases: (1) theoret..
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?
Which of the following is true for a system whose equalibrium constant is relatively small? a.) it will take a short time to reach equalibrium.
Write the reactions of cinnamic acid with sodium bicarbonate and sodium hydroxide. What is the gas that is evolved when cinnamic acid reacts with sodium bicarbonate
Write the chemical equation for the reaction of carbonic acid (H2CO3) with water. Write the balanced chemical equation for the reaction of the weak acid HCN with water. Include the phase of each species.
Question- A 10.0 L vessel contains 3.8x10^2 grams of nitrogen gas. What is the pressure exerted by this gas sample at 25 degrees C
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