Considering the total number of electrons in NO2, why might it be expected that the reaction of a free radical with NO2 is a chain-terminating reaction?
how
Many moles of NaHCO3 are
there in 30ml of Ca(OH)2?
how many moles of NaHCO3 are there in 30ml of Ca(OH)2?
change 5000.083 to 3 significant figure
How much K2CO3 do I need ,if the weigh of KClO4 X 100, gives the % of K2O ?
A nitrogen gas container has a volume of 35.0 L. Calculate the mass of nitrogen in the container if the gas has a pressure of 1800 torr at 42°C
A gas is initially at volume 40.0 L, pressure 600 mmHg and temperature 35 °C. Calculate the final pressure of the gas in atm if the volume and temperature are changed to 2500 mL and 225 K, respectively
Suppose a has been prepared that is composed of carbon, hydrogen and nitrogen. When 0.1156 grams of this compound is reacted with oxygen, 0.1638 grams of carbon dioxide and 0.1676 grams of water are collected. If all the carbon in the compound is converted to carbon dioxide.
1) find the mass of carbon and hydrogen in the sample?
2) calculate the the percentage composition of carbon, hydrogen and nitrogen in the substance?
3) calculate the mass of hydrogen in the substance?
4) calculate the empirical formula of the sample.
5) suppose the molecular mass of the substance was 93 g/mol, find the molecular formula?
Differentiate coagulative necrosis and liquefactive necrosis as toxic manifestations when strong acids and bases are ingested.
Write the mathematical expression for the reaction quotient, Qc, for each of the following reactions:
(a) CH4(g) + Cl2(g) ⇌ CH3Cl(g) + HCl(g)
(b) 2SO2(g) + O2(g) ⇌ 2SO3(g)
(c) BaSO3(s) ⇌ BaO(s) + SO2(g)
(d) CH4(g) + 2O2(g) ⇌ CO2(g) + 2H2O(l)
(e) CO2(g) + H2(g) ⇌ CO(g) + H2O(g)