Iwill give you 100pts and mark you brainless plz me
select all of the statements that...
Chemistry, 06.11.2019 00:31 user20061024
Iwill give you 100pts and mark you brainless plz me
select all of the statements that accurately describe energy.
question 1 options:
energy can be transferred
energy can be destroyed
energy can be created
energy can change forms
question 2 (1 point) conservation of energy means that
question 2 options:
energy cannot be created or destroyed
energy can be created but not destroyed
energy can be created and destroyed
energy can be destroyed but not created
question 3 (1 point) true or false?
there is always the same amount of energy in the universe. question 3 options:
true
false
question 4 (1 point) select all of the accurate statements. question 4 options: cellular respiration is a physical change.
cellular respiration is an example of conservation of mass.
cellular respiration is an example of conservation of energy.
cellular respiration is a chemical change.
cellular respiration is a change of the state of matter.
question 5 (1 point) choose all of the correct statements. where do cells in all living things get the energy to be alive? question 5 options:
cellular respiration
a chemical reaction between oxygen and glucose
the sun
photosynthesis
Answers: 1
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An object becomes electrically charged when: electrons are created in it electrons from it are destroyed electrons are transferred to it protons from it are destroyed protons are created in it
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Amixture initially contains a, b, and c in the following concentrations: [a] = 0.300 m , [b] = 1.05 m , and [c] = 0.550 m . the following reaction occurs and equilibrium is established: a+2b⇌c at equilibrium, [a] = 0.140 m and [c] = 0.710 m . calculate the value of the equilibrium constant, kc.
Answers: 1
Chemistry, 22.06.2019 19:00
Imagine that a new planet is discovered with two moons of equal mass: moon a and moon b. the mass of the new planet is greater than the combined mass of its moons. moon a is farther away from the new planet than moon b. what is the planet's gravitational pull on moon a compared to the planet's gravitational pull on moon b? the planet's gravity repels moon a with a greater force than it repels moon b, which is why moon a is farther away. the gravitational pull on moon b is greater than on moon a because moon b is closer to the new planet than moon a. the gravitational pull on moon b is greater than on moon a because moon b is farther away from the new planet than moon a. the gravitational pull on moon a is the same as the gravitational pull on moon b because distance does not affect the planet's gravity.
Answers: 1
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The chemical formula for emerald is be3al2(sio3)6.an emerald can be decided as
Answers: 3
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