As a person coughs the CO^2 exits the lungs at speed of about 30m/s, what is the KE?

There are two steps in the extraction of copper metal from chalcocite, a copper ore. in the first step, copper (i) sulfide and oxygen react to form copper (i) oxide and sulfur dioxide: (s) (g) (s) (g) in the second step, copper (i) oxide and carbon

What is the total number of elements in Group 17 that are gases at STP?

What is the most basic building block of matter? the electron the proton the quark the atom 2nd question: Which part of an atom has a negative charge? neutron nucleus proton electron

Similarities between alchemy and chemistry include

What is the chemical equation of BaO+O2→BaO2?

Which element has the lowest electronegativity? Calcium (Ca) Gallium (Ga) Selenium (Se) Bromine (Br)

Which of the following organs are found in the circulatory system? * A.) Heart B.) Veins C.) Arteries D.) Capillaries E.) All of the above

What's the difference between volcano and vent

A marshmallow has an initial volume of 0.084 L at standard pressure (1.0 atm). If the marshmallow is placed in a vacuum chamber and the final volume is 0.785L, what is the pressure inside the chamber?

Can you think of another example of energy doing work fill out the table below with your idea