Calculate mass of oxygen

Examine the information. A Magellanic penguin is at an initial position of 4 m and waddles to a position of 8 m in 8 s. What is the penguin's average velocity? -4 m/s 4 m/s 0.5 m/s 2 m/s

When chromium chloride crcl2 is dissolved in water the temperature of the water decreases answers?

The energy exchanges between space, the atmosphere, and Earth's surface produce what

Consider these elements: p, ca, si, s, ga. a. write the electron configuration for each element

Which type of space probe is designed to explore several planets or moons from space as it travels past them? A. flyby B. rover C. orbiter D. lander

The Greek letter D stands for A. Mass of B. Rate of C. Change in D. Heat stored in

14. Two or more substances that are together but do not combine to form a new, pure substance.

A solution of a compound with a known extinction coefficient of 23,100 M-1cm-1 has an absorbance of 0.735 in a 1.30cm path length, what is the concentration of the solution

Balance the following equation with the smallest whole number coefficients. Choose the answer that is the sum of the coefficients in the balanced equation. Do not forget coefficients of "one". RbOH + H3PO4 → Rb3PO4 + H2O

What is the temperature of 100 liter container having 1 mole of an ideal gas at a pressure of 20 kilopascals