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describe the outcome that would be expected from rutherfords experiment if the charge on the alpha particles had
a 30 l container holds a sample of hydrogen gas at 300 k and 100 kpa if the pressure increases to 400 kpa and the
youre working at the head hertz aspirin factory making a preparation of the sodium salt of acetylsalicylic acid
a 03423 g sample of pentane c5h12 was burned in a bomb calorimeter the temperature of the calorimeter and the 1000kg of
for the reaction shown compute the theoretical yield of product in grams for each of the following initial amounts of
using triethylamine with alkyl halides such as iodoethane 1-bromopropane 2-bromopropane describe how the leaving groups
using methyl iodide with amines such as triethylamine ethyldiisopropylamine describe how the nucleophilicity of the
suppose you have designed a new thermometer called the x thermometer on the x scale the boiling point of water is 123
0102g of an unknown compoud dissoleved in 100 ml of water has an osmotic pressure of 281 mmhg at 20 degrees celcius
calculate the mass in grams of the product formed when 1564 g of cl2 reactant completely reacts assume that there is
1 how many separation techniques are used in lab for limiting reactants and percent yield2 if you forget to use the
how many grams of na2so4 fm 14202 should be added to how many grams of sulfuric acid fm 9808 to give 135 l of buffer
draw three resonance structures for n2o nitrous oxide and identify the most important resonance
are all metathesis reactions precipitation type give one example to illustrate your
an object will sink in a liquid if the density of the object is greater than that of the liquid the mass of a sphere is
a parsec is the distance light travels in 326 years given the velocity of light is 186282 milesec how many kilometers
in a process called liposuction a doctor removes some adipose tissue from a persons body if the body fat has a density
2b5h9 12o2-----gt 5b2o3 9h20how many moles of b2o3 can theoretically be obtained from 4 moles of b5h9 and excess o2how
a hydrocarbon is burned in an excess of oxygen to give 132g of carbon dioxide and 072g of water what is the empirical
assuming that the volumes are additive what is the concentration of kbr in a solution prepared by mixing 0246 l of 0081
oxide of iron contains 7236 iron by mass what is the empirical formula for this
a what is the change in energy when 23j of heat are added to a system and 11j of work are performed on the
3082g of nitrogen will react with 1760g3520g7040g or 8800g oxygen to form four different compoundscalculate the mass of
propose the structures for hydrocarbons that give the following products on oxidative clevage by potassium permanganate
a student performing a titration added 4035ml of 0250 m naoh to completely neutralize a solution of hclhow many moles