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charle [14.2K]
3 years ago
5

An object has a density that is greater than the density of water. How could you make it float? Explain by giving a real-life ex

ample.
Chemistry
1 answer:
vladimir1956 [14]3 years ago
5 0

Answer:

Put it on a ship or an aerogel

Explanation:

You can use an aerogel, a synthetic porous ultralight material. The aerogel can  support a mass many times greater than their own.

Even simpler, you can put the object on board a ship. The ship has a smaller density than water, making it float in water.

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How many atoms are in 1 mole of hydrogen
Angelina_Jolie [31]
There are TWO atoms in one molecule of hydrogen.
8 0
3 years ago
In cellular chemical pathways, the product(s) of any particular reaction are often quickly consumed by the next reaction in the
mezya [45]

Answer:

Tend to keep the product concetration <u>low</u> and therefore drive the reaction <u>righward</u>

Explanation:

The fact the products of a reaction are quickly consumed by the next one would tend to keep the product concetration low and therefore drive the reaction righward (to the products).

This happens because the system will not achive equilibrium between the reactants and the product, and will keep producing it util the system achives equilibrium or the reactants dry out.

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3 years ago
The standard enthalpy of formation of BrCl(g) is 14.7 kJmol-1 . The standard enthalpies for the atomization of Br2(l) and Cl2(g)
natita [175]

Explanation:

Equation of the reaction:

Br2(l) + Cl2(g) --> 2BrCl(g)

The enthalpy change for this reaction will be equal to twice the standard enthalpy change of formation for bromine monochloride, BrCl.

The standard enthalpy change of formation for a compound,

ΔH°f, is the change in enthalpy when one mole of that compound is formed from its constituent elements in their standard state at a pressure of 1 atm.

This means that the standard enthalpy change of formation will correspond to the change in enthalpy associated with this reaction

1/2Br2(g) + 1/2Cl2(g) → BrCl(g)

Here, ΔH°rxn = ΔH°f

This means that the enthalpy change for this reaction will be twice the value of ΔH°f = 2 moles BrCl

Using Hess' law,

ΔH°f = total energy of reactant - total energy of product

= (1/2 * (+112) + 1/2 * (+121)) - 14.7

= 101.8 kJ/mol

ΔH°rxn = 101.8 kJ/mol.

8 0
3 years ago
Activity 32 can someone explain how u do this?.
gizmo_the_mogwai [7]

Answer:

write a question and answer it with the words

Explanation:

Gloria/ the bank/ the car

A: where is Gloria going? To the bank, right?

B: Yes, she's going to the bank. She's going in a car.

4 0
3 years ago
Which <br> molecule has the same shape and hybridization as methane
Korvikt [17]
Hi, the answer is <span>CF2Cl2 :)</span>
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3 years ago
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