Hen water ionizes, it produces equal amounts of hydrogen and hydroxide ions that can reassociate with each other. the ph of water is:

Which of the following type of radiation is represented by 0 over negative 1 e? A. alpha emission B. beta emission C. positron emission D. gamma rays

List the ways you can tell that a chemical change has taken place in a substance.

calculate the number of molecules of carbon (iv) oxides produced from the complete combustion of carbon.

What are the three main factors that make milk go off faster?

The quantity of heat, in joules or calories, required to raise the temperature of 1 gram of a substance 1°C.

Gamma rays are waves of energy that have no charge. true false

Describe what a polar covalent bond is and name a common compound that has a polar covalent bond holding it together

Part a:we can determine the purity of solid materials by using calorimetry. a gold ring (for pure gold, specific heat = 0.1291 j⋅g-1⋅k-1) with mass of 10.5 g is heated to 78.3 ∘c and immersed in 50 g of 23.

How has desertification impacted the environment in Latin America?

In a titration experiment, hcl and lioh solutions were used. the initial volume of hcl was 1.25ml and lioh was 2.65 ml. the final volume of hcl was 13.60 ml and lioh was 11.20 ml. if the lioh was 0.140 m what was the molarity of hcl?