Give two examples of amphibians. describe one similarity and difference between amphibians and fish

Half-life is the time it takes for half of a sample of a radioactive element to decay. The function M (t) = P (1/2) ^t/h can be used to calculate the mass remaining if the half-life is h and the initial mass is P.

What volume would 3.00 moles of neon gas have at 295 K and 645 mmHg?

Which elements form an ionic compound? check all the boxes that apply

In this synthesis reaction, what product will form? H2 (g) + CI2 (g) > A. 2H (g) + 2CI (g) B. 2HCI (g) C. CI2 (g) + H2 (g) D. H2O (I) + HCI (g) ps. the numbers in C & D are smaller & they are also smaller in the question.

Which of the following correctly describes the general process of coal mining and refining? Select one: a. Coal is mined, washed, dried, and then separated from rock particles. b. Coal is mined, dryed, and crushed. c.

What was technicalagy like in the past

What is the price of Aluminum per pound?

How could the appearance of a substance change with out it becoming a different substance

A chemical reaction has Hf, reactants = - 1,023 kJ and Hf, products = - 935.3 kJ. Which graph can be used to represent this reaction pathway?

At a certain temperature the rate of this reaction is first order in HI with a rate constant of : 7.21/s2HI (g) = H2 (g) + I2 (g) Suppose a vessel contains HI at a concentration of 0.440M. Calculate the concentration of HI in the vessel 0.