Given the parent compound, draw the mass spectrum fragment that is observed at m/z 91. Include any hydrogen atoms and the charge.

What ions are found when the following compounds dissolve in water. (a) sodium nitrate (b) sulfuric acid, sodium hypochlorite, and sodium carbonate.

Aspirin is the analgesic acetylsalicylic acid C9H8O4. What is the coefficient of oxygen in the balanced equation for the combustion of solid acetylsalicylic acid to carbon dioxide and liquid water? a. 3. b. 2. c. 1. d. 4. e. 8. f. 7. g. 9. h. 10. i.

Which of the following lists describes characteristics of a base? Bitter taste, low pH, and dissolves metals Sour taste, high pH, and caustic Sour taste, low pH, and slippery Slippery, high pH, and caustic

Which of the titanium-containing minerals rutile (TiO2) or ilmenite (FeTiO3) has the larger percentage of titanium?

Moving water is a powerful agent of what

What would be the change in pressure in a sealed 10.0 L vessel due to the formation of N2 gas when the ammonium nitrite in 1.00 L of 0.500 M NH4NO2 decomposes at 25.0°C?

Read the given equation. Na2O2 + CO2 → Na2CO3 + O2 What volume of O2 gas is produced from 2.80 liters of CO2 at STP?

Drinking water may contain a low concentration of lead ion (Pb2) due to corrosion of old lead pipes. The EPA has determined that the maximum safe level of lead ion in water is 15 ppb.

A student examines the temperature and precipitation on a given day using a thermometer and a rain gauge. The student is measuring- A. temperature only B. climate only C. wind speed only D. specific weather conditions

Atoms - 1 2 3 4 Protons - 8 10 9 8 Neutrons - 10 9 9 11 Electrons - 8 10 9 8 Which two are isotopes of one another?