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3 years ago

Check all examples that would a chemical property.

Chemistry

1 answer:

fenix001 [56]3 years ago

3 0

Answer:

d. reactivity to acid

f. reacts to air

Are chemical properties

Explanation:

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A 10-ft moving truck has a volume capacity of 402 cubic feet, which is equivalent to 1.138 x 10^7 milliliters. What

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Answer: The mass of silver is 1.19 X 10^14 M g

Explanation: The volume of the truck is 402 cubic feet or 1.138 x 10⁷ mm.

The density of silver is 10.49 g/mL.

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1 year ago

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Based on the number of valence electrons indicated by its location in the periodic table, which element's behavior would you pre

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Elements in the same group (vertical columns) have the same number of valence electrons. These elements behave similarly because they will either give up or take the same number of electrons to fill their valence shell. Since potassium has 1 valence electron, it will most likely give up one electron. Out of all of the answer options, the only element that is in the same group as potassium is francium.

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A sample of polonium-210 has an initial mass of 390 milligrams (mg). If the half-life of polonium-210 is 36 days, how many mg of

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3 years ago

Which combination of aqueous solutions below, when mixed together, will result in evidence of a chemical reaction?

patriot [66]

Answer:

LiBr + AgNO₃ → AgBr ↓ + LiNO₃

Option E.

Explanation:

We determine our reactants, and we analyse if there is a precipitated formed.

A. NH₄CH₃COO + AgNO₃ → AgCH₃COO + NH₄NO₃

No reaction.

Salts from acetate are slightly soluble, all the salts from nitrate are soluble

B. 2LiCl + H₂SO₄ → 2HCl + Li₂SO₄

No reaction. Sulfates can only make precipitate with Ca²⁺, Ba²⁺, Mg²⁺, Ag⁺ and Pb²⁺

C. 2NaCl + K₂SO₄ → 2KCl + Na₂SO₄

Same explanation as before. Salts from halides (Cl⁻, Br⁻, I⁻, F⁻) are mostly soluble but we have exceptions.

D. 2NaBr + Li₂CO₃ → Na₂CO₃ + 2LiBr

Salts from carbaonate and group 1 are soluble. The others elements make precipitates with carbonates.

E. Salt from bromide and silver cation is a precipitated. Bromines can also make solid when it is mixed with Hg₂²⁺, Cu⁺, Pb²⁺

E. LiBr + AgNO₃ → AgBr ↓ + LiNO₃

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3 years ago