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KIM [24]
3 years ago
8

Earth air contains invisible water vapor or water gas what happens when the moist air close to the ground cools off at night

Chemistry
1 answer:
djyliett [7]3 years ago
8 0
Radiation fog forms during the night as the earth's surface cools and the air immediately above it cools in turn by conduction. If the air is moist enough, the cooling causes it to reach saturation and visible water droplets form. We often call this type of fog ground fog because it lies so close to the surface.
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For the following reaction, 3.70 grams of oxygen gas are mixed with excess carbon monoxide . The reaction yields 8.25 grams of c
Elden [556K]

Answer:

81% Yield

Explanation:

2CO        +               O₂                                =>     2CO₂

Excess                3.70g O₂                          =>     8.25g CO₂ (actural yield)

               (3.70g O₂)/(32g O₂/mol O₂)

                   = 0.1156 mol O₂                       =>  2(0.1156) mol CO₂

                                                                          = 10.175g (Theoretical Yield)

%Yield = (Actual Yield / Theoretical Yield)100%  

= (8.25g/10.175g)100% = 81% Yield

4 0
3 years ago
What does amino acids do?
Ilia_Sergeevich [38]

amino acids bonded together create a protein

6 0
3 years ago
List the type of reaction. Predict the outcome and balance.
Yuliya22 [10]

Answer:

Single Displacement Reaction: a reaction in which an element is swapped for another in a molecule

A + BC ---> AC + B

Double Displacement Reaction: a reaction in which the cation of one molecule is swapped with a cation of another molecule

AB + CD ---> AD + CB

a) Single Displacement Reaction

3 Ca + 2 AlBr₃ ----> 3 CaBr₂ + 2 Al

b) Single Displacement Reaction

2 Al + 3 MgSO₄ ----> Al₂(SO₄)₃ + 3 Mg

c) Double Displacement Reaction

AgNO₃ + KCl ----> AgCl + KNO₃

3 0
2 years ago
The following Lewis diagram represents the valence electron configuration of a main-group element. This element is in group 2A A
Paraphin [41]

<u>Answer:</u> The symbol of the ion formed is Ca^{2+}

<u>Explanation:</u>

An ion is formed when a neutral atom looses or gains electrons.

  • When an atom looses electrons, it results in the formation of positive ion known as cation.
  • When an atom gains electrons, it results in the formation of negative ion known as anion.

Electronic configuration is defined as the representation of electrons around the nucleus of an atom.

Number of electrons in an atom is determined by the atomic number of that atom.

The element present in Group 2-A and in period 4 is Calcium (Ca)

Electronic configuration of Ca atom:  1s^22s^22p^63s^23p^64s^2

This atom will loose 2 electrons to attain stable electronic configuration similar to Argon element (noble gas)

The electronic configration of Ca^{2+}\text{ ion}=1s^22s^22p^63s^23p^6

Hence, the symbol of the ion formed is Ca^{2+}

4 0
4 years ago
Can someone please name a project I can do for my science fair for 7th grade I need a easy one
avanturin [10]
I know one it is with matter

You can do a mixture by making a fruit salad
7 0
3 years ago
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