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a 319-kg cannon sliding freely on a frictionless horizontal plane at a speed of 813 ms shoots a 131-kg cannonball at an
how many millliters of 0750 m h3po4 are required to react with 250 ml of 0150 m baoh2 if the products are barium
a cart running on frictionless air tracks is propelled by a stream of water expelled by a gas-powered pressure washer
in which solution acidic basic neutral water or doesnt matter is potassium bromide most
what ph is required to start precipitation of feoh3 from a 0110 m solution of fecl3 ksp of feoh3 40
starting at rest two students stand on 125-kg sleds which point away from each other on ice and they pass a 550-kg
a what mass of iron can be obtained from108g of iron iii oxideb how many grams of cl2o7 must be reacted with an excess
an idealized voltmeter is connected across the terminals of a 165-v battery and a 795-appliance is also connected
a projectile is shot from the edge of a cliff h 305 m above ground level with an initial speed of v0 155 ms at an
a mixture is made by mixing 407 ml 0000200 m hcl with 383 ml of 0000180 m naoh based upon these values the mixtures ph
a 1cm high object is placed 20cm to the left of a converging lens ffocal length10cm a second converging lens f15cm is
it was found that 1933 ml of an hi solution are needed to react completely with 320 ml of a lioh solution that has a ph
a driver measures her cold tire gauge pressure to be 205 105 pa the measurement is made before driving when the tires
four people with a combined mass of 300 kg are riding in a 1100 kg car when they drive down a washboard road with bumps
for part one of this lab you will use 250ml of acetic acid and 250ml of sodium acetate what should the ph be after
a solenoid that is 870 cm long has a cross-sectional area of 140 cm2 there are 900 turns of wire carrying a current of
how would you calculate the quantitative solubility of calcium nitrate cano32 after saturating the solution heating and
1 for the reaction below what is the standard free energy change gdeg at 453degc if the kc 00202 hig h2g i2g2
what is a chemically reasonable reaction that is stereospecific but not
if 4 liters per minute of 100 ppm 112-trichloroethane solution is to be reduced by 99 in a diffused air cstr what air
the names and chemical formulae of some chemical compounds are written in the first two columns of the table below each
a gaseous mixture contains 030 mole of cog 010 mole of h2g and an unknown amount of ch4g in a litre flask this mixture
at a particular instant in time an electromagnetic wave has an electric field which can be written e622ncx287ncy what
how many litres of ethyl mercaptan c2h5sh liquid density 08931 gcm3 should be added to 100000 standard cubic meters
an object is accelerated by a force if the force is increased by a factor of 3 and the mass is increased by a factor of