Researchers have discovered that a moon rock brought back by the Apollo astronauts has a mass of 5.671 kg and a volume of 1,698 cm3. What is the density of the rock? Remember to use the correct number of significant digits in your answer.

If flowers begin to wilt is there anything that can be done to save them

Is alkali metals or noble gases chemically reactive?

Classify the following specific inhibitors or inhibitor characteristics according to one of three types of inhibition: reversible competitive, reversible noncompetitev, or irrersible. A) reversible comp B) reversible noncomp C) Irreversible 1.

What is the coordination number for each of the following complexes or compounds? [Co (NH3) 4 (H2O) 2]3 + [Cr (EDTA) ] - [Pt (NH3) 4]2 + Na[Au (Cl) 2]?

Silver tarnishes when it comes into contact with hydrogen sulfide in the air. physical property or chemical property

Which is a non renewable resource that is used to generate electrical energy

How many grams of sulfur (S8S8) must be dissolved in 100.0 g naphthalene (C10H8C10H8) to make a 0.11 mm solution

Mason compare the properties of two compounds magnesium oxide is an ionic compound and hydrogen peroxide is not an ionic compound there for both compounds most likely

Cisplatin is synthesized as follows: K2PtCl4 (aq) + 2NH3 (aq)  Pt (NH3) 2Cl2 (s) + 2KCl (aq) What mass of cisplatin can be made from 100. g of K2PtCl4 and sufficient NH3? What mass of KCl is also produced?

What is the total number of protons in the nucleus of an atom of potassium-42? (1) 15 (3) 39 (2) 19 (4) 42