What is the job of a scientist?

A. To write laws based on his or her knowledge.

O

B. To ask and answer scientific questions.

C. To answer ethical questions.

O

D. To ignore facts that do not support his or her theory.

What are the possible values for standard temperature and pressure

What is the molarity of a solution that contains 17 g of nh3 in 0.50 l of solution?

Calculate the enthalpy change for the reaction Mn3O4 (s) + CO (g) ⟶3MnO (s) + CO2 (g) from the following: Mn3O4 (s) + 4CO (g) ⟶3Mn (s) + 4CO2 (g) ΔH=255.6kJ MnO (s) + CO (g) ⟶Mn (s) + CO2 (g) ΔH=102.

Identify the change that will always shift the equilibrium to the right. Identify the change that will always shift the equilibrium to the right. Remove reactant increase product remove product increase pressure increase volume

Which element was first discovered on the sun? hydrogen carbon oxygen helium

What is the [H3O+] of a solution with a pH of 2.56? 2.56 M, 2.75 x 10-3 M, 363 M, or - 0.408 M

What is the law of conservation of energy? A) energy can only be destroyed B) energy will always be renewed. C) energy cannot be created of destroyed. D) energy can never change forms.

Most metals are solid at room temperature, malleable, ductile, good conductors of heat and electricity, and react in acids to produce hydrogen gas. which of the properties mentioned is a chemical property? a. are malleable b. reacts with acids c.

Silver tarnishes when it comes into contact with hydrogen sulfide in the air. physical property or chemical property

When a volcanic irruption adds new rock to existing land and forms new islands is it considered destructive?