4 years ago

Explain how lowering the speed of the current that is transporting sediment could result in the deposition of that sediment.

Chemistry

1 answer:

Artist 52 [7]4 years ago

4 0

Answer:

Explanation:

In the peak stage of a flood where it current is very high,there is much deposition of sediment dumped into the stream by mainly overland flow and gully erosion.This leads to huge sediment deposition on the stream bed.

As the flood 's current reduces,competence and capacity reduces and sediments are deposited.

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Tungsten carbide is becoming popular for making jewelry. A chemist is examining a sample of tungsten carbide (chemical formula W

Studentka2010 [4]

The percent composition of W in WC is 93.868 %.

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% W = Mass of W/Mass of WC × 100 % = 183.84 u/195.85 u × 100 %

= 93.868 %.

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3 years ago

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g At elevated temperatures, molecular hydrogen and molecular bromine react to partially form hydrogen bromide: H 2 (g) Br 2 (g)

oksano4ka [1.4K]

Answer: At equilibrium , there are 0.274 moles of $Br_2$

Explanation:

Moles of $H_2$ = 0.682 mole

Moles of $Br_2$ = 0.440 mole

Volume of solution = 2.00 L

Initial concentration of $H_2$ = $\frac{0.682}{2.00}=0.341 M$

Initial concentration of $Br_2$ = $\frac{0.440}{2.00}=0.220 M$

Equilibrium concentration of $H_2$ = $\frac{0.516}{2.00}=0.258 M$

The given balanced equilibrium reaction is,

$H_2(g)+Br_2(g)\rightleftharpoons 2HBr(g)$

Initial conc. 0.341 M 0.220 M 0 M

At eqm. conc. (0.341-x) M (0.220-x) M (2x) M

Given : (0.341-x) M = 0.258 M

x= 0.083 M

Thus equilibrium concentartion of $Br_2$ = (0.220-0.083) M = 0.137 M

Thus moles of $Br_2$ at equilibrium = $0.137M\times 2.00L=0.274mol$

At equilibrium , there are 0.274 moles of $Br_2$

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3 years ago

Acetylenic fatty acids are found in many tropical plants. Compound B, C18H32O2, is one such compound; it absorbs 2 equivalents o

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Answer:no

Explanatio:

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Lostsunrise [7]

Answer:

False

Explanation:

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The mass of the products of a chemical reaction will be? greater than the mass of the reactants, the same as the mass of the rea

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This is simple it is proportional.

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