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2 years ago

8

Rico and Bree are camping and have potatoes wrapped in foil to eat. Bree put her potato in the campfire for a while, but Rico di

d not. Now Bree’s potato has a high temperature. What is the difference between the molecules of the two potatoes?

1 answer:

inn [45]2 years ago

5 0

Answer:

There is no difference because both potatoes are made of the same type of molecules.

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What is the mass of carbon in 290 g of CO2?

Elis [28]

Answer:

The mass of CO22 in total is 264 g.

The atomic mass for C is 12 g / mole.

The molar mass for CO22 is (12 + (2 × 16)) = 44 g / mole.

m C = (12 / 44) × 264 = 72 g

So, there are 72 g of C in 264 g of CO2

Explanation:

there's the answer have a good day.

4 0

3 years ago

When a solution of ammonium chloride, NH4Cl, is added to a solution of lead (II) nitrate , Pb(NO3)2, a white precipitate, PbCl2,

slavikrds [6]

Answer:

B) $2NH_4^+_{(aq)}+2Cl^-_{(aq)}+Pb^{2+}_{(aq)}+2NO_3^-_{(aq)}\rightarrow PbCl_2_{(s)}+2NH^{4+}_{(aq)}+2NO_3^-_{(aq)}$

Explanation:

The total ionic equation contains all the species in the reaction in the ionic form.

Spectator ions are defined as the ions which does not get involved in a chemical equation or they are ions which are found on both the sides of the chemical reaction present in ionic form.

Spectator ions are also written in total ionic equations.

The chemical equation is:

$2NH_4Cl_{(aq)}+Pb(NO_3)_2_{(aq)}\rightarrow PbCl_2_{(s)}+2NH_4NO_3_{(aq)}$

The total ionic equation is -

$2NH_4^+_{(aq)}+2Cl^-_{(aq)}+Pb^{2+}_{(aq)}+2NO_3^-_{(aq)}\rightarrow PbCl_2_{(s)}+2NH^{4+}_{(aq)}+2NO_3^-_{(aq)}$

5 0

4 years ago

Electrons are heavier than protons.<br><br><br> True or False

nekit [7.7K]

Answer:

they r of same weight ...............

3 0

3 years ago

Read 2 more answers

If 100 yards = 1 football field, what is the length, in meters, of 4.9<br> football fields?

Veseljchak [2.6K]

* Answer: 448.056 meters *
——
1 yard = .9144 meters (according to Google)
100 yards= 91.44 meters
——
100*4.9= 490 yards
490 yards = 448.056 meters

* 4.9 Football fields= 448.056 meters *

I hope this helps! :)

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3 years ago

What are substances composed of 2 or more different atoms that are united by bonds of any type?

gogolik [260]

A molecule consists of two or more atoms united by a bond

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3 years ago