I'm struggling to understand on how to do this, I'm currently trying to use dimensional analysis to solve the problems, please help. 1. What is the mass of 12.5 moles of silicon? 2...

I'm struggling to understand on how to do this, I'm currently trying to use dimensional analysis to solve the problems, please help. 1. What is the mass of 12.5 moles of silicon? 2...

A Student moves a box of books with a rope by pulling the rope with a force of 90 N at an angle of 30°. The books have a mass of 20 kg and a coefficient of friction between the box...

the compound xylene consists of 90.49% C and the rest is hydrogen.What is the empirical formula?

1.48 mol carbon tetrafluoride

FeCl3 Mass % of Fe, Cl Express your answer using four significant figures

If you dissolve 300 g of salt in 10 litres of water, what is the density of that solution of salty water? In this particular example, assume that the total volume doesn’t change when salt is added...

Huh Im HAving trouble hh h

m(t) = 6e−0.087t where m(t) is measured in grams. a) Find the initial mass (mass at time t = 0). b) How much of the mass remains after 20 days?

Please answer my qs as fast as possible plzzz.... Tomorrow I have exam.

If 10 drops of 0.5 mol L-1 Na3PO4(aq) had been added to the sample containing excess 0.25 mol L-1 Ca(NO3)2(aq), what mass of precipitate would you expect to produce? You may assume one drop is equal...

sg=0.751 find mass and weight of the gasoline in SI units

When 2 dozen cans of food are placed in a bucket, the mass is 4560g. When 18 cans of food are placed in the same bucket, the mass is 3480 g. What is the mass of the bucket?

it is a small cube and is wooden and it floatTS DENSITY MASS volume prediction result material grams centimeters

The density of iron is 7.86 g/cm3. What is the mass of 15.0 cm3 of iron?

Green plants use light from the Sun to drive photosynthesis. Photosynthesis is a chemical reaction in which water (H2O) and carbon dioxide (CO2) chemically react to form the simple sugar glucose (C6H12O6)...

A .500 kg mass is oscillating on a spring with k= 330 N/m. The total energy of it's oscillation is 3.24 J. What is the speed of the mass when it is .100 m from the EP?

Ball A, with a mass of 20 kilograms, is moving to the right at 20 meters per second. At what velocity should ball B, with a mass of 40 kilograms, move so they both come to a standstill upon...

pounds of weight per square foot of horizon area. a) how many kilograms per square metre is this? b) after a snowfall, a square foot flat roof covered with snow has a weight of 22.2 pounds...

pounds of weight per square foot of horizon area. a) how many kilograms per square metre is this? b) after a snowfall, a square foot flat roof covered with snow has a weight of 22.2 pounds...

Question: What would be the mass of the block if it has a volume of Mr.Peter's classroom? we did the measurements in class and the volume of mr.peter's classroom is 225,814,368 cm3...

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