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a sample has a specific heat of 0155 calgmiddotdegc how much energy will be required to raise the temperature of the
please respond to one of the below questions in detail these questions are taken from sam keans questions and topics
what is the net ionic equation for the following reactionagno3nbspaq nacl aq agcl s
a 120 ml sample of a compound has a density of 144 gml what is the weight of the sample in
a cleaning solution is found to have a oh- 32 x 10-12m what is the h3o and is the solution acidic or
1 what is the molarity of a solution made by dissolving 679 g of sodium acetate in water and diluting to 750 ml molar
the following reaction takes place at a certain elevated temperaturefe2o3s 3cog rarr 2fel 3co2swhat is the percent
1 what is the mass of 38 molecules of so3nbspin g2 what volume in l of chlorine at 30oc and 743 torr is required to
write the elemental symbol with charge for when aluminum forms an ion and tell whether it is an anion or a cation think
microsoft word - procedure1 what is the purpose of making derivatives of unknowns2 give three reasons why acetone might
1nbspmg2c2o4s rarr 2mg2aq c2o42-aq kspnbsp 86 x 10-5what is qspnbspif 100 ml of 0048 m mgn032nbspis added to 50 ml of
antimony reacts with sulfur according to the following reaction2sbs 3ss rarr sb2s3swhat is the mass percent yield from
1when a 86 g sample of an alloy at 1000oc is dropped into 900 g of water at 262oc the final temperature is 303oc what
could you explain the kinetics of a reaction lab experiment where we determine the rate of the reaction between crystal
a ground state h-atom absorbs a photon of wavelength 9491 nm and its electron attains a higher energylevel the atom
identify the chemical components and the proportions necessary to achieve a buffer with the desired ph include relevant
jenny and mark complete a reactivity experiment by placing samples of metals into water they initially place small
chemists studied the formation of phosgene by sealing 100 atm of carbon monoxide and 106 atm of chlorine in a reactor
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a mixture of gases has the partial pressures of 0308 atm due to he 259 atm due to n2 and the rest is due to o2nbsp if
a sample of an arsenic compound weighing 01023 g was dissolved and all the arsenic converted to arsenic in the 3
if you eat a 48 g serving rice every fourth day and you weigh 75 kg what is your dose of inorganic arsenic in microg
explain how bacteria are intimately involved in the generation of acidic mine
write the name and chemical formula of the following compound containing sodium and oxygen write the name and charge of