The volume of oxygen gas changed from 10 ml to 11 ml as the temperature changed. is this a chemical change or a physcial change

The blank of an element is the average mass of all isotopes of that element

Only 30% of freshwater is easily accessible by humans. Where can this freshwater be found?

Iodine, I2, is a solid at room temperature but sublimes (converts from a solid into a gas) when warmed. What is the temperature in a 73.3-mL bulb that contains 0.292 g of I2 vapor at a pressure of 0.462 atm

The synthesis of methanol from carbon monoxide and hydrogen gas is described by the following chemical equation: CO (g) + 2H2 (g) ? CH3OH (g) The equilibrium constant for this reaction at 25? Cis Kc=2.3*104.

What's the processes that forms ad change rocka o earth are parts of the. A. nitrogen cycle. B. water cicle. C. carbon cycle. D. rock cycle

What is a contributor of global warming? a. aerosol sprays b. carbon dioxide c. acid rain d. garbage

How is momentum similar to inertia? Explain.

Suppose that 0.00150 moles of CO2 (44.0 g/mol) effuse out of a pinhole in 1.00 hour. How many moles of N2 (28.0 g/mol) would effuse out of the same pinhole in 1.00 hour? Assume both gases are at the same temperature and pressure.

How do you make glue from jack fruit sap?

A compound is broken down by chemical means during (1) chromatography (2) distillation (3) electrolysis (4) filtration