If heat is released by a chemical system, an equal amount of heat will be

a) absorbed by the surroundings

b) released by the surrounding

c) absorbed by the universe

d) released by the universe

How do i salve 50,200 mL to L

Object A and Object B are 100 meters apart. If the two objects are moved closer together, how does that affect the gravitational force between the two objects?

Which of the following statements is true? A. Igneous rocks form from the cooling and crystallization of magma. B. Fossils are frequently found in metamorphic rock. C. Sedimentary rocks are formed as a direct result of chemical weathering. D.

What is the change in energy if the electron from part a now drops to the ground state? what is the wavelength λ of the photon that has been released in part b?

What is the molar ratio of Li to N2 in the given reaction? 6Li + N2 → 2Li3N

If amino acids could be produced by random chemical processes

Despite the name, dry cleaning does involve the use of liquid solvents. why would a dry cleaner use both polar and nonpolar cleaning solvents

Convert 32mL into liters

What is the molar mass of (NH4) 2C03? a) 144 g b) 96 g c) 138 g d) 78 g

In the acid-catalyzed dehydration of 2-methyl-1-propanol, what carbocation would be formed if a hydride shift accompanied cleavage of the carbon-oxygen bond in the alkyloxonium ion?