Calculate the work (kJ) done during a reaction in which the internal volume expands from 18 L to 49 L against a vacuum (an outside pressure of 0 atm).

Heat is transferred from the heating element to the pot to the boiling water. what is the most likely method of heat transfer? a. circulation b. conduction c. convection d. radiation

Write balanced complete ionic equation for K2SO4 (aq) + CaI2 (aq) →CaSO4 (s) + KI (aq)

The nucleus of an atom contains which subatomic particles? A) neutrons only B) protons and neutrons C) neutrons and electrons D) protons and electrons

A food web diagram is provided A. Sun>Grass - robin B. Plant seeds - field mouse - robin C. Eagle - deer - plant seeds D. Grass dear mountain lion

90) Garrett has just purchased a beer distributorship. He wants to increase the Visibility of his firm inlocal markets, but he knows there are a number of regulations and socially accepted practicesassociated with promoting alcoholic beverages.

Regalo puntos : v vengan a mi prros

Write a net ionic equation for the overall reaction that occurs when aqueous solutions of phosphoric acid (h3po4) and potassium hydroxide are combined. assume excess base. use the pull-down boxes to specify states such as (aq) or (s).

What are the coefficients that will balance the skeleton equation below? n + h ⟶ nh?

Restate Newtons first law in terms of acceleration

Why is burning is not a recommended method of disposing plastics