A thermometer has 10 subdivisions between each degree Celsius, and so its precision is 0.01 °C. Which of the following measurements have the correct amount of precision?

84.364 °C

84.36 °C

84.0 °C

84.3645 °C

Which of these time measurements is the smallest? 0.02 seconds 0.02 teraseconds 2,500 milliseconds 25,000 nanoseconds

What causes the distinctive swirling shape of a hurricane?

Can an isotope also be an ion?

Why was ethanol used during the final washes of the recovered copper product?

Which of the following aqueous solutions has the highest [OH - ]? A. A solution with a pH of 3.0 B. 1 * 10-4 M solution of HNO3 C. A solution with a pOH of 12.0 D. Pure water E. 1 * 10-3 M solution of NH4Cl

Arrange the elements in order of increasing atomic radius Mg Ba F S

Based on the enthalpy changes given for the reactions, which reactions are endothermic? (check all that apply) 2H2O → 2H2 + O2, ΔH = 484 kJ C + O2 → CO2, ΔH = - 394 kJ H2 + Br2 → 2HBr, ΔH = - 73 kJ 2NH3 → N2 + 3H2, ΔH = 92 kJ

Which of the following is not true about performing biological investigations reading and understanding Metric system

At 29°C, Kp = 5.3 ✕ 102 atm-2 for the following reaction. N2 (g) + 3 H2 (g) equilibrium reaction arrow 2 NH3 (g) When a certain partial pressure of NH3 (g) is put into an otherwise empty rigid vessel at 29°C, equilibrium is reached when 55.

If ice is heated at constant pressure of 0.0512 ATM will it