What role does warm air play in the formation of a thunderstorm

Answers

Answer 1

Answer: Thunderstorms are formed due to instability of the air and the presence of moisture. When the sun heats up the Earth's surface, warm air is forced to rise up while cold air sinks. Due to the difference in density, there will be instability in air and thus contribute to the formation of a thunderstorm. I hope this helps.

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warm water near the equator rises towards the surface, creating a current. what would you expect to happen to this current if the temperature at the equator decreased?
Which substances are present in the net ionic equation for the reaction that would occur when MgCl2 (aq) is combined with H3PO4(aq) ? [Select all that apply.] A H+(aq) B Cl2−(aq) C Mg2+(aq) D Mg+(aq) E Mg3PO4( s) F Mg3(PO4)2(s) G Mg(aq) Cr (aq) H HCl(aq) MgPO4 (s) I Mg2(PO4)3 (s) J H3PO4(aq)
Which explanation best compares the movement of particles in the three states of matter?Particles in a gas can only vibrate. In a solid, they slide against each other. In a liquid, they move freely, bouncing and bumping into each other. Particles in a solid can only vibrate. In a liquid, they slide against each other. In a gas, they move freely, bouncing and bumping into each other. Particles in a liquid can only vibrate. In a gas, they slide against each other. In a solid, they move freely, bouncing and bumping into each other. Particles in a solid can only vibrate. In a gas, they slide against each other. In a liquid, they move freely, bouncing and bumping into each other. Particles in a liquid can only vibrate. In a solid, they slide against each other. In a gas they move freely, bouncing and bumping into each other. NextReset
When group 2A element from ion they A. lose two protonB. gain two protonC. lose two electronD. gain two electron

What is the total number of oxygen atoms in the formula MgSO4•7H2O? [The • represents seven units of H2O attached to one unit of MgSO4.](1) 11 (3) 5
(2) 7 (4) 4

Answers

The given formula MgSO₄•7H₂O contains 11 oxygen atoms. Therefore, option (1) is correct.

What is the chemical formula?

A chemical formula of a compound describes the chemical proportions of each element in a chemical compound or molecule. The chemical formula of a molecule can be written with help of the chemical symbols of elements, numbers (subscripts), and some other symbols, such as brackets, dashes, plus (+) and minus (−) signs, and commas.

A chemical formula contains no words but contains certain simple chemical structures but not complete structures. These formulae must be limited in power than chemical names and structural formulae.

We have two types of formulas in chemistry one empirical formula and the other molecular formula. In the formula MgSO₄•7H₂O, the four oxygen atoms in MgSO₄ and seven from 7 water molcules.

The number of oxygen atoms in the given formula MgSO₄•7H₂O is equal to (4 + 7) = 11 atoms.

Learn more about chemical formula, here:

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11.
O4 means 4 atoms of oxygen. H2O
has one atom of oxygen, so seven "units" of
H2O has 7.

The value of the equilibrium constant for the combination of nitrogen and oxygen to make NO is 2 x 10-9. What does this tell you about the concentrations of materials in the equilibrium mixture?

Answers

Answer: The reaction must proceed in the reverse direction.

Explanation:

$K_p$ is the constant of a certain reaction at equilibrium while $Q_p$ is the quotient of activities of products and reactants at any stage other than equilibrium of a reaction.

For the given chemical reaction:

$N_2(g)+O_2(g)\rightleftharpoons 2NO(g)$

The expression of $K_p$ for above equation follows:

$K_p=((p_(NO))^2)/(p_(N_2)* p_(O_2))$

We are given:

$K_p=2* 10^(-9)$

There are 3 conditions:

When $K_(p)>1$ ; the reaction is product favored.

When $K_(p)<1$ ; the reaction is reactant favored.

When $K_(p)=1$ ; the reaction is in equilibrium.

As, $K_p<1$ , the reaction will be favoring reactant side or the reaction must proceed in the reverse direction.

Hence, the reaction must proceed in the reverse direction.

Calculate the pH of 0.50M H2S

Answers

I got that pH=3.65 using the fact that Ka=[H⁺][A⁻]/[HA] at equilibrium. In the ice table, I stands for initial, C stands for change, and E stands for equilibrium.

I hope this helps. Let me know if anything is unclear.

WHAT IS CLEVAGE PLANE

Answers

Cleavage, in mineralogy, is the tendency of crystalline materials to split along definite crystallographic structural planes.

Give two reasons why a gold ring is not made of 100% gold.

Answers

Gold is extremely malleable in its purest form, so a 24-carat (pure) gold ring would be very easy to get dented and squashed during the time that it is being worn.
It is also extremely expensive to process gold to its purest form, so pure gold jewelry would be ridiculously expensive, to the point of no demand.
Hope that helped =)

1. Gold is soft like lead.

2. Pure gold isn't durable, and wouldn't last, nor would you be able to keep it on your finger since it's so soft. If you're gonna wear a ring for a life-time, it has to have durability.

Which of the following is physical change a. Corrosion
b. explosion
c. Evaporation
d. rotting of food ***

Answers

rotting food
hope this helps

all of the above corrosion, explosion, evaporation and rotting food all have physical change in different aspects

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Which of these phrases best describes an atom?(1) a positive nucleus surrounded by a hard negative shell(2) a positive nucleus surrounded by a cloud of negative charges (3) a hard sphere with positive particles uniformly embedded (4) a hard sphere with negative particles uniformly embedded