John pushes his brother Danny on a skateboard. John applies a force of 39 N

and Danny's acceleration is 0.9 m/s2. What is the combined mass of Danny

and his skateboard?

A. 43 kg

B. 48 kg

C. 31 kg

D. 35 kg

When a sodium atom bonds with a chlorine atom, it acquires positive charge true or false?

Use the term selectively permeable in a sentence

A 52.8-g sample of glucose (a nondissociated, nonvolatile solute with the formula C6H12O6) is dissolved in 158.0 g of water. What is the vapor pressure of this solution at 100°C?

Which substance contains only 1 kind of atom

What the product and readucts of 2NaB+C12=2NaCI+Br2

If you have 8.56 g of H2, how many grams of NH3 can be produced?

A flask contains 0.83molof neon gas at a temperature of 35°C. The pressure gauge indicates 0.37atm inside the flask. What is the volume of the neon gas?

Why would it be unwise to take a hot air balloon ride in the upper atmosphere? (The chapter is about Pressure)

Unit conversions. (a) Convert 10,000 dynes to units of lbm ∙ ft/s^2 and lbf (b) Convert 0.2 atm to units of Kpa and lbf/in^2 (c) Convert 37 °C (physiological temperature) to units of °F and K. (d) Convert 50 in 2 ∙ lbm/s^2 units of joules and cal.

How much CO2 is produced from 10g of CH4?