Kilograms represented by the mass defect for oxygen-16: 2.20 × 10 -28 kg What is the nuclear binding energy for oxygen-16?

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?

Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?