How do scientists use seismic data to find out about the outer core of the earth

Write a balanced equation for each of these chemical reactions potassium phosphate + calcium nitrate

The mass of a single tungsten atom is 3.05*10-22 grams. how many tungsten atoms would there be in 277 milligrams of tungsten?

Which of the following will sink in a container of mercury with a density of 13.6 g/mL? A. zinc, D = 7.14 g/mL B. ice, D = 0.92 g/mL C. gold, D = 19.3 g/mL D. gasoline, D = 0.69 g/mL

Among the following, which solution is the most acidic? Question 17 options: [OH-] = 1 * 10-7 mol/L pH = 10 [H+] = 1 * 10-5 mol/L pH = 3

Would having different atmospheric pressure have a effect on the accuracy of gas laws? and if so, which planets should be most reliable and least

What is the solubility of nitrogen and calcium nitrate in cyclohexane?

Carbon exists in nature as three isotopes. Given the atomic masses and relative abundance of the isotopes, what is the average atomic mass of carbon?

What is the correct value for Avogadro's number? A. 6.022 x 10^23 B. 6.023 x 10^22 C. 6.022 x 10^33 D. 6.022 x 10^2.3 E. none of the above

Fossil fuels are considered useful to humans because they are

Which organelles are unique to plant cells? chloroplasts mitochondria vacuoles nuclei