Why is a dentist chair is used on a pneumatics system and not a hydraulic system? Explain?

Sodium and water react according to the following equation. If 51.5 g of sodium are added to access water, how many liters of hydrogen gas are formed the STP? Show all work. 2Na+2H2O->2NaOH+H2

What metal will have properties most similar to those of chromium

If you have 0.261 m3 of water at 25.0°C and add 0.127 m3 of water at 95.0°C, what is the final temperature of the mixture? Use 1000 kg/m3 as the density of water at any temperature.

A gas mixture contains 0.150 mol of oxygen (O2) gas and 0.211 mol of argon (Ar) gas. The total pressure of the mixture is 159 kPa. What is the partial pressure of Ar in the mixture? Report your answer with the correct number of significant figures.

Which reaction is a single replacement reaction? a. 2H2 + O2 - > 2H2O b. 2H2O2 - > 2H2O + O2 c. KOH + HCI - > KCI + H2O d. Cu + 2AgNO3 - > 2Ag + Cu (NO3) 2 i'll mark brainliest!

If you have three moles of S2, how many moles of Al2S3 can be produced?

Predict whether each of the following reactions will occur in aqueous solutions. Explain your reasoning in each case. Note: Barium sulfate and silver bromide precipitate in aqueous solutions.

The digestive system is the body system that Text to speech A:A. breaks down food into substances that can be absorbed and used for energy. B:B. gets rid of the remaining solid waste that cannot be absorbed. C:C.

What kind of molecule is water? A. nonpolar B. ionic C. polar D. charged

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