Answer:
Matter that has the same composition and properties throughout is called a substance.
Explanation:
Answer:
A) True/True
Explanation:
Non spontaneous exothermic reactions <u>need to reach the activation energy to get started</u> (like all non spontaneous reactions), usually this energy is given in the form of heat. So you can say the second statement is True
The first one is also True, if you don't give some energy (heat) to a non spontaneous reaction it won't start. Never the less, <u>exothermic reaction's conversion of equilibrium is decreased when heat is addeed to the system. </u>
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Answer:
nuclear vision provides energy for nuclear power and drives the explosion of nuclear weapons both uses are possible because certain substances called nuclear fuels undergo visions when struck by fishing neutrons and turned into emit neutrons when they break apart
Explanation:
I remember taking this test and seen this on the test and it was correct
You can tell if a chemical reaction has taken place when one or more of the following things happen: There has been a colour change inside the reaction flask. A gas has formed. Usually we know a gas has formed when we can see bubbles
Answer:
This strand contains nucleotides that are complementary to those in the template sequence. Base pairing ensures that the sequence of nucleotides in the existing template strand is exactly matched to a complementary sequence in the new strand, also known as the anti-sequence of the template strand