Sample A consists of calcium pellets. sample B consists of powdered calcium. which properties are the same for both samples A and B

The bonds in compound MgSO4 can be described as

What are solid mixtures in a avarage class

What is the pOH of a substance with a pH of 10? a. 8 b. 10 c. 14 d. 4

Which of the following are oxidation half-reactions? Cr2O72 - → Cr3+ MnO4 - → MnO2 Fe2 + → Fe3+ Cl - → Cl2

Name the ions in water acidified with dilute sulphuric acid

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