The coverage per bag is listed on the bag itself. You need to measure the length, width, and depth of the sidewalk for the volume and then divide by the coverage per bag to figure out how many bags you will need.
The cement is more dence
1 94-pound bag of cement is approximately equal to 1 cubic foot.
btu = the amount of heat needed to raise one pound of water one degree F
3.90
Refer to the definition of density: density = mass / volume. Also, each substance has its characteristic density, independent of its size. A pound of cement will have the same density as a ton of cement. And cement is more dense than rice, regardless of how big a chunk of each you take.
6.50 for a 50 pound bag 12 cents a pound
To answer this question we must first differentiate between concrete and cement. Concrete is the finished product when cement is used. Analogous to bread is the finished product when flour is used. Got it? As to how many cups in a pound of powder, consider that there are 16 ounces to the pound, and eight ounces to a cup. That makes it two cups to the pound of cement. How much concrete that would make is another matter.
The sign for the Pound Sterling is placed before the amount.
It can be both, depending on packaging. By "cement" you're talking plain ol' Portland Cement for making concrete, correct? In bulk it's a commodity; in 94-pound bags it's a product.
There should be three quarters of a pound of sand. If the cement is reinforced then add 25 percent more.
a pound is a pound/
Forty five 80 pound bags of cement are needed to make one cubic yard of concrete.