What can you conclude about the effect of exercise on the amount of carbon dioxide that is present in your exhaled breath?

Explain how atomic size of d-block is smaller than s-block orbital

How many atoms of boron are in 3.66 moles of boron?

Which formula is both a molecular and an empirical formula? (1) C6H12O6 (3) C3H8O (2) C2H4O2 (4) C4H8

Where do cold fronts form?

Which are the best conditions needed for making good fossils? Choose the 2 best answers. Question 6 options: Exposed to weather for a long period of time before being covered Covered quickly Have soft body parts Have hard body parts

Gasoline has a density of 0.749 g/mL. How many pounds does 19.2 gallons of gasoline weigh? Use significant figures. Do not enter "pounds" as part of your answer.

Which of these changes involved a physical change and not a chemical change?

Which of the following statements is true? Running an electric current through a magnet can create a magnetic field. Electric engines change electricity into magnetism. The strength of a magnetic field increases with distance.

valancy of x is 3 while that of y is 1. write a formula of the compounds when each of the seperaty combines with oxygen

The elements that contain electrons in an F sublevel near the highest occupied energy level are referred to as? A. Alkali metals B. Alkali earth metals C. transition metals D. inner transmission levels