What is an item or substance that would react with hydrochloric

Is the following nuclear equation balanced? 237 Np - He+233 AM

A scientist is conducting an experiment on the learning ability of chimpanzees. Which of these situations would lead to the least reproducible data?

A 3.0 l sample of helium gas is stored in a rigid, sealed container at 25 °c and 1.0 atm pressure. the temperature is increased to 125 °c. what is the new pressure of the gas?

What is the formula of calculating density?

Before free oxygen gas became abundant in the oceans and atmosphere, it reacted with a metal and produced what type of formations? a. the ionosphere b. the ozone layer c. banded iron formations d. stromatolites

An atom containing 47 protons, 47 electrons, and 60 neutrons has a mass number of

BONUS: Wremne UwWM DU Aqueous potassium iodide is mixed with lithium phosphate to form aqueous lithium iodide and solid potassium phosphate.

Can someone who expert in chemistry be my personal tutor? I'm so desperate

Semi-conductors have properties of both metals and non metals. which are two examples of metalloids

How do you determine the percent yield of a chemical reaction?