Which is the formula for calculating density

Examples of not useful low friction

What is the atomic number of a sodium atom that has 11protons and 12 neutrons.

A student viewing a cell with a microscope observes a cell wall a cell wall a cell membrane and a nucleus the presence of these structures indicates that the students is looking at a cell fram a

Is each genus of organisms is divided into classes

Suppose the volume of a container is decreased, but the same number of gas molecules is present at the same temperature. What will happen to the molecules? The molecules will increase in number. The molecules will decrease in number.

Was the relationship among temperature, heat, and thermal energy?

What will most likely happen when a warmer air mass exists above a polar ice sheet? The temperature of the ice sheet will be lowered. Heat will be transferred from the air mass to the ice. The air mass will exert high pressure and rise upwards.

A 2.00 L sample of gas at 35 C is to be heated at constant pressure until it reaches a volume of 5.25 L. To what Kelvin temperature must this sample be heated?

Of the following reactions, which one produces oxygen gas? Fermentation Anaerobic respiration Aerobic respiration Photosynthesis

Describe the electrodes in this iron-copper galvanic cell.