Calculate freeze 62.9 g of iron at 1535oC

Hf (J/g) = 257

What is the nuclide symbol of X?

What came first, the orange or the color orange?

Which chemical element has the shortest name?

A deficiency in thiamine (TPP) will directly decrease the activity of which of the following enzymes? a. Pyruvate carboxylase b. Glucose 6-phosphate dehydrogenase c. Aldolase Bd. Transketolase

A radioactive substance used in nuclear weapons decays at the rate of 3.33.3 % per year. calculate the half-life of the radioactive substance.

How many liters of water can be made from 55 grams of oxygen gas and an excess of hydrogen at a pressure of 12.4 atm and a temperature of 850 c?

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Which state of matter isn't typically found on earth?

Both black and white road surfaces absorb sunlight. the warmer road surface at the end of a sunny day is the

Which information in the periodic table indicates the number of protons in an atom? A. the position of the element in its column B. the element's chemical symbol C. the element's atomic mass D. the element's atomic number