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If some of the product contained magnesium nitride rather than magnesium oxide, would the experimental % Mg be higher or lower than that expected for pure magnesium oxide. Mg3N2+3H2O=3MgO+2NH3
Calculate the volume of this flask. empty weighed 56.12g , and full of ammonia weighed 87.39g . density of liquid ammonia is 0.625g/l . calculate flask volume in L
A nitric acid solution containing 71% HNO3 (by mass) has a density of 1.42g/mL. how many moles of HNO3 are present in 1.00L of this solution.
Calculate the energy of a photon of electromagnetic radiation at each of the following frequencies (in J). 1. 103.7 MHz (typical frequency for FM radio broadcasting) 2. 1100 kHz
what spontaneous reaction will occur in aqueous solution among the ions Sn4+, Sn2+, Co3+, and Co2+ ? What will be the E°cell for this reaction?
if a 1500 rm kg car can accelerate from 30 kmh to 50 kmh in 3.1 s how long will it take to accelerate from 50 kmh to 75
In the acid-base reaction between Sr(OH)2 and HNO3, 0.75 L of 0.85 M Sr(NO3)2 is formed upon the reaction of 0.515 L of HNO3 solution and excess Sr(OH)2.
spheres that detect glucose have a diameter of 10nm and are tightly packed into patches. Calculate the number of spheres in a 3-d patch of spheres that is 3mm high and has an area of 6mm^2.
If a 2.1 L reaction vessel initially contains 723 torr of cyclopropane at 485 degrees C , how long will it take for the partial pressure of cylclopropane to drop to below 105 torr ?
Indicate whether each of the following processes produces an increase or decrease in the entropy of the system:
It is the universal solvent d. it does not participate in the reaction e. it is necessary for the formation of the bromonium ion
What are the steps to recrystallize an impure solid? Answer 1. Heating the water. 2. Dissolving the solute.3. Letting the solute cool.4. Collecting and washing the crystals.
How many moles of bicarbonate ions, aluminum ions, and oxygen atoms are present in 26.0 g aluminum bicarbonate?
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