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DochEvi [55]
3 years ago
7

Animals have internal stimuli or cues that help them survive. Which stimuli is external rather than internal?

Chemistry
1 answer:
dem82 [27]3 years ago
4 0
D bc people can feel how hot u are
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Complete the balanced dissociation equation for the compound below. If the compound does not dissociate, write NR after the reac
nikdorinn [45]

Answer:

K₂Cr₂O₇(s) ⇒ 2 K⁺(aq) + Cr₂O₇²⁻(aq)

Explanation:

Potassium dichromate (K₂Cr₂O₇) is a strong electrolyte, that is, when dissolved in water (the medium), it dissociates in cation potassium (K⁺) and anion dichromate (Cr₂O₇²⁻). The balanced dissociation equation is:

K₂Cr₂O₇(s) ⇒ 2 K⁺(aq) + Cr₂O₇²⁻(aq)

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3 years ago
The rate of a chemical reaction may be defined as Select one: a. the time it takes for the reaction to be completed b. the chang
kaheart [24]
It is A. This is because the rate of reaction is defined as the speed at which the reactants are converted into the products.
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3 years ago
Which of the following chemicals effects blood pressure for both the short and long term?
andriy [413]
The chemical that effects blood pressure for both the short and long term is Angiotensin II

8 0
3 years ago
How many molecules does Ba3(PO4)2 contain
Natalija [7]

Answer:

Molecular mass of Ba3(PO4)2 = 3 × 137.5 + 2 [31 + 4 × 16] = 602.5

Explanation:

hope this helps

plz mark brainliest

6 0
2 years ago
. If this same atom with 22 protons and 19 electrons were to gain 3 electrons, the net charge on the atom would be
mina [271]

Answer:

neutral

Explanation:

19+3=22

22 protons & 22 neutrons --> neutral net charge

3 0
3 years ago
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