Explain the reaction of a piece of magnesium ribbon

Reference no: EM13246745

36.8mL of hydrogren gas, from the reaction of a piece of magnesium ribbon with hydrochloric acid, are collected over water in a eudiometer. The temp of the hydrogen gas at 21C, and the atmospheric pressire is 768mmHg. The vapor pressire of water at 21C is 18.7mmHg (torr). What is the original mass of magnesium? (R=0.08206L*atm/mol*K)

A) 1.07 g

B) 0.0211 g

C) 1.143 g

D) 0.0366 g

E) 0.0392 g

Reference no: EM13246745

Questions Cloud

Explain what is the e°cell for the cell : What is the E°cell for the cell represented by the combination of the following half-reactions

Find the speed of sams spaceship : Bill measures the rate at which the clock in sam's spaceship runs and finds that it is 1/3 the rate at which the same clock runs when it is at rest

Discuss the specific role the protestant reformation played : Discuss the specific role the Protestant Reformation played in laying the groundwork for the advancement of communication techniques and technologies within Western culture.

What is the resulting maximum information transfer rate : The serial ports on two computers which use binary signaling are connected by a twisted pair cable. The cable has a flat frequency response up to 120KHz, with negligible group delay distortion. That is, the bandwidth of the cable is 120KHz.

Explain the reaction of a piece of magnesium ribbon : 36.8mL of hydrogren gas, from the reaction of a piece of magnesium ribbon with hydrochloric acid, are collected over water in a eudiometer. The temp of the hydrogen gas at 21C, and the atmospheric pressire is 768mmHg.

Determine the maximum mass : A hypothertical 30 cm long arm. For the purposes of answering this question assume that the arm itself is weightless. what is the maximum mass that can be held in the hand if the muscle is attached 2 cm from the bleow

Explain a voltaic cell prepared using aluminum : A voltaic cell prepared using aluminum and nickel has the following cell notation.

challenges Facing russia collapse of former soviet union : Please describe some of the challenges (political, economic, social, military, etc.) facing Russia since the collapse of the former Soviet Union. How have Russian leaders (such as Yeltsin and Putin) attempted to deal with these conditions?

Explain how to treat swimming pool waters : Chlorine is widely used to purify municipal water supplies and to treat swimming pool waters. Suppose that the volume of a particular sample of Cl2 gas is 8.80 L at 885 torr and 25*C.

User Account

All Pages