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Alex787 [66]
3 years ago
7

Atoms are the smallest unit of an element that holds the physical identity of that element. T or F

Chemistry
2 answers:
Kaylis [27]3 years ago
8 0
True
Explanation
True
Alecsey [184]3 years ago
3 0

Answer:

True

Explanation:

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Which of the following happens when a reaction reaches dynamic equilibrium in a closed system?
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Answer: B

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At equilibrium, the rate of the forward reaction is equal to the rate of the reverse reaction, and thus the concentrations of the reactants and products must be constant.

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Solutions of lead(II) nitrate and potassium iodide were combined in a test tube.
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Explanation: When solutions of potassium iodide and lead nitrate are combined?

The lead nitrate solution contains particles (ions) of lead, and the potassium iodide solution contains particles of iodide. When the solutions mix, the lead particles and iodide particles combine and create two new compounds, a yellow solid called lead iodide and a white solid called potassium nitrate. Chemical Equation Balancer Pb(NO3)2 + KI = KNO3 + PbI2. Potassium iodide and lead(II) nitrate are combined and undergo a double replacement reaction. Potassium iodide reacts with lead(II) nitrate and produces lead(II) iodide and potassium nitrate. Potassium nitrate is water soluble. The reaction is an example of a metathesis reaction, which involves the exchange of ions between the Pb(NO3)2 and KI. The Pb+2 ends up going after the I- resulting in the formation of PbI2, and the K+ ends up combining with the NO3- forming KNO3. NO3- All nitrates are soluble. ... (Many acid phosphates are soluble.)

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3 years ago
In the Lewis structure for a molecule, one of the nitrogen atoms shares six electrons with a carbon atom and has two electrons t
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2 years ago
Rank the ions in order of increasing basicity: CH3NH-, CH3CH2-, CH30-
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A)The lower the greenhouse gases, the higher the ocean temperature.
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The higher the greenhouse gases, the higher the ocean temperature

"The ocean absorbs most of the excess heat from greenhouse gas emissions, leading to rising ocean temperatures"

hope this helps :)

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