A student weighs out 26.3 g of sodium. How many sodium atoms do they have?

Scientists have evidence that carbon dioxide can trap heat. Scientists know that burning fossil fuels releases carbon dioxide.

How crust is made of? and How rocks and minerals are related?

Is the Peruvian flower angiosperm or gymnosperm

For a particular reaction, δh = 120.5 kj and δs = 758.2 j/k. calculate δg for this reaction at 298 k.

How are period and frequency related to each other? A. Period is half the frequency. B. Period is twice the frequency. C. Period is equal to frequency. D. Period is the reciprocal of frequency. E. Period is the square root of frequency.

How to convert 0.000984 into scientific notation?

What is the total pressure in a 6.00-l flask which contains 0.127 mol of h2 (g) and 0.288 mol of n2 (g) at 20.0°c?

Convert 0.023 kg to centigran

Why has the canals in Venice Italy cleared up during this time?

What mass of potassium would react with excess chlorine to produce 156 grams of potassium chloride