Which of the following elements could replace iron in a compound? A) Ag, B) Ca, C) Cu, or D) Sn?

1. A gas that has a volume of 28 L, a temperature of 45 °C, and an unknown pressure has its volume increased to 34 L and its temperature decreased to 35 °C. If the pressure is measured after the change to be 2.

Question 4 How many moles of solute are needed for 2.0 L of a 0.10 M solution of MgCl2?

What type of acid is sulfuric acid? a - Monoprotic b - Diprotic c - Triprotic d - None of the above

How many moles of oxygen atoms are in 1.5 moles of CO2? (Sc2c)

Organic formula for phenol

Give the four symbols for physical states of reactants and products, and tell what each means.

Which element is more electronegative, sulfur or nitrogen?

How does igneous rock become metamorphic rock?

The atomic mass oftitanium is 47.88 atomic mass units This atomic mass represents the 1) total mass of all the protons and neutrons in an atom of Ti 2) total mass of all the protons, neutrons, and electrons in an atom of Ti 3) weighted average mass

How many milliliters of. 45m hcl will neutralize 25ml of 1m koh?