Which kelvin temperature is equal too 200 degrees Celsius

What volume of O2 collected at 22.0 and 728 mmHg would be produce by the decomposition of 8.15 g KClO3?

Calculate the ph of a buffer solution made from 0.30 m hydrofluoric acid and 0.70 m sodium fluoride after the addition of 0.08 moles of naoh to 1 l of this solution

Which graph should be used to describe the number of plants of each species of wildflower in a meadow ecosystem?

Which type of ion most likely will be formed by group 16 elements of the periodic table?

Four moles of carbon monoxide (CO) has 48 grams of carbon (C) and 64 grams of oxygen (O). What is the percent composition of carbon in carbon monoxide? 6.25% 8.3% 43% 75.0%

How do find the volume of 60.0g of ether if the density is. 70g/mL?

Did the test solution react with the supernatant from the test tube that had the largest amount of precipitate? what can you infer about the molar ratio of this reaction?

Contrast mixtures with pure substances

A standard cell potential of which value describes a spontaneous redox reaction?

Using the combined gas law, if the volume of a gas at 155kPa changes from 22L to 10L. What is the new pressure if the temperature remains constant?