A mother pulls her two children on a sled through the snow along a flat street. How much work is done if she pulls her children 100 feet with a constant force of 40 pounds at an angle of 28°?

Forensic toxicology involves not only the area of toxicology, but also the use of areas such as analytic chemistry and pharmacology. Group of answer choices True False

How many liters of H2 gas, collected over water at an atmospheric pressure of 752 mm Hg and a temperature of 21.0°C, can be made from 3.566 g of Zn and excess HCl? The partial pressure of water vapor is 18.65 mm Hg at 21.0°C.

Is it true that Organisms need water, vitamins and minerals. But they do not need salt to function.

Select the model that best represents atomic theory after Rutherford's results were discovered.

The identity of an element depends on the number of O electrons in the atom. O protons and neutrons in the nucleus. O protons in the atom. O neutrons in the atom.

What is it called when the state of matter that keeps its shape and volume when it's placed in a different container

A 0.1 m solution of which salt is the most basic? (a) nano3 (b) naclo4 (c) nahso4 (d) nahco

How to conduct electricity with light bulb and battery

A cup can hold 50 ml of water and has a mass of 25g. If each penny weighs 2g, how many pennies can it hold before it sinks in fresh water? Explain how you got your answer.

How many moles of FeO are produced if 8 moles of CuFeS, are consumed?