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eimsori [14]
3 years ago
7

True or false(Internal forces act on the outside of an object, and external forces act within an object.)

Chemistry
1 answer:
kkurt [141]3 years ago
4 0
False I’m not sure exactly
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Crude oil pumped out of the ground may be accompanied by formation water, a solution that contains high concentrations of nacl a
djverab [1.8K]

solution:

the change in the boiling point is given as,

dTbp =2.30°c

elevation constant for the solvent is given by,

kb=0.512°c/m

molality=\frac{dTBP}{KB\times m}\\=\frac{2.30}{0.512c/m}

= 4.49m

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3 years ago
What effect do ocean and wind currents have on land temperatures?
Oksanka [162]

Answer:

Ocean currents act much like a conveyor belt, transporting warm water and precipitation from the equator toward the poles and cold water from the poles back to the tropics. Thus, ocean currents regulate global climate, helping to counteract the uneven distribution of solar radiation reaching Earth's surface.

Explanation:

5 0
3 years ago
Meaning of rust and rusting​
Yuki888 [10]

Answer:a reddish- or yellowish-brown flaky coating of iron oxide that is formed on iron or steel by oxidation, especially in the presence of moisture.

Explanation: so basically rusting happens when a metal comes in contact with moisture and air, at a brown, dirty metal coat forms on it.

7 0
2 years ago
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If the pressure on gaseous reactant is increased, the rate of reaction is increased because there is an increase in the
mixer [17]

Answer:

collisions between molecules

8 0
3 years ago
Consider the chemical equation below.
igor_vitrenko [27]

Answer : The net ionic equation will be,

2H^{+}(aq)+2OH^-(aq)\rightarrow H_2O(l)

Explanation :

In the net ionic equations, we are not include the spectator ions in the equations.

Spectator ions : The ions present on reactant and product side which do not participate in a reactions. The same ions present on both the sides.

The given balanced ionic equation will be,

Mg(OH)_2(aq)+2HNO_3(aq)\rightarrow Mg(NO_3)_2(aq)+H_2O(l)

The ionic equation in separated aqueous solution will be,

Mg^{2+}(aq)+2OH^-(aq)+2H^{+}(aq)+2NO_3^{-}(aq)\rightarrow H_2O(l)+Mg^{2+}(aq)+2NO_3^{-}(aq)

In this equation, Mg^{2+}\text{ and }NO_3^- are the spectator ions.

By removing the spectator ions from the balanced ionic equation, we get the net ionic equation.

The net ionic equation will be,

2H^{+}(aq)+2OH^-(aq)\rightarrow H_2O(l)

7 0
3 years ago
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