Number of electrons in Na

The measured mass of a body is found to be 110g. The length is measured by a meter scale. Actual mass and length of the body are 100 g and 10 cm. Find the percentage error in the calculation of density.

What landforms form at convergent boundaries where two oceanic plates collide?

Dimension for electric charge

At 1000°C and a pressure of 1200 mm Hg, a sample of methane occupies 20.0 L. What will be it's temperature if it is compressed to a volume of 4.00 L and a pressure of 3600 mm Hg?

What evidence can you see of women and men's changing roles over the past few generations in the US?|

Heat engine x has an efficiency of 67%. heat engine y has an efficiency of 82%. which best compares these two heat engines?

How far away is venus from the sun

Absolute differences between each observed mass and the accepted value, divided by the accepted value, multiplied by 100%

What forms of energy are produced by a violin

Archimedes' principle can be used to calculate the density of a fluid as well as that of a solid. suppose a chunk of iron with a mass of 390.0 g in air is found to have an apparent mass of 350.5 g when completely submerged in an unknown liquid.