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a 187 g sample of mg reacts with 800 ml of a hydrochloric acid solution ph -0544 what is the ph of the solution after
write an essay about molecular modelling its uses and applications and use a freely available modelling software from
a container with rigid well-insulated walls is divided into two parts by a partition one part contains a gas and the
1nbspcalculatenbspthe grams of na2co3nbsprequired to prepare 2500 ml of 0375 m na2co3nbspsolution2nbspthe reaction of
a student decomposes a 9317 g sample of a compound containing only nickel and iodine 1245 g of nickel are precipitated
consider using the apparatus shown in given figure a known as the joule paddle wheel to determine the specific heat at
write the balanced equation for the reaction of calcium metal with iron iii nitrate the coefficients on calcium metal
aluminum displaces cobalt from a 02 m solution of cobaltii perchlorate cobalt does not displace chromium from a
if it is considered that drinking 800nbspmlnbspof water per day containing an arsenic concentration equal to the us epa
the equation of state for a monatomic solid ispv fv gammauwhere v is the molar volume gamma is the griineisen
an empty 100-ml measuring cylinder weighs 132456 gnbsp when filled with rice to the 100-ml mark it weighs 220345 gnbsp
the general public often expects solutions to our environmental issues that have zero risk explain if thats
1 the general public often expects solutions to our environmental issues that have zero risk explain in less than 200
the molar heat capacity at constant pressure cpn of a gas varies with the temperature according to the equationcpn a
potassium and sodium chloride are similar in charge and they both have the same anion when comparing sodium chloride
if 861 ml of 0572 m naoh are needed to completely react with the acetic acid in 938 g of vinegar what is the percent
the molar heat capacity at constant volume of a metal at low temperatures varies with the temperature according to the
the number of moles and the mass of magnesium carbonate mgco3 required to produce 283 g of carbon dioxide mgo is the
potassium sulfate is commonly used in fertilizers an agricultural researcher in alaboratory measures and weighs a
consider the following balanced equationc3h7shl 6o2g rarr 3co2g so2g 4h2ogwhen 150 g of so2 is produced what is the
what are the ngss crosscutting concepts between ioniccovalent
can you please describe each question and why the answer is that 1 what is the strongest metal 2 the strongest alloy 3
two thin concentric spherical shells of radius 005 m and 015 m respectively have their annular cavity filled with
a solid cylindrical copper rod 010m long has one end maintained at a constant temperature of 20 k the other end is
1 what is the boiling point of a solution produced by adding 370nbspgnbspof cane sugar molar mass 3423nbspgmol to