At which temperature is the vapor pressure of ethanol equal to 80. kPa? (1) 48°C (3) 80. °C (2) 73°C (4) 101 °C

How many grams of naoh are needed to make 750 ml of a 2.5 (w/v) solution?

Is wavelength chemical or physical properties

Who is know as the gather of medacine

Zinc reacts with hydrochloric acid according to this reaction: Zn (s) + 2HCl (aq) → ZnCl2 (aq) + H2 (g) Which of the following will react the fastest? a. 2.0 gram lump of zinc in 0.10 M hydrochloric acid b. 2.0 gram sample of powdered zinc in 0.

Consider the molecules CF4 and SF4

Considering the following precipitation reaction: Pb (NO3) 2 (aq) + 2KI (aq) → PbI2 (s) + 2KNO3 (aq) Which ion would NOT be present in the complete ionic equation?

What does the symbol C p stand for?

Which of the following is not true of science? 1. Science offers proof of a claim 2. Science is a way of knowing 3. Science is a process 4. Science provides support or fails to provide support to claim

What happens to the velocity of a sound wave in air if the temperature of the air increases

Determine the [oh-] concentration of a 0.741 m koh solution at 25°c.