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Wewaii [24]
4 years ago
10

How is a weather report different from a weather forecast

Chemistry
1 answer:
murzikaleks [220]4 years ago
5 0

<span>A weather forecast differs from the weather report in that the weather forecast is the application of science and technology to predict the state of the atmosphere for a given location; whereas the weather report is a systematic statement of the existing and usually the predicted meteorological conditions over a particular area.</span>

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Through electrolysis, a student collects 6.6 g of hydrogen gas and 52.4 g of oxygen gas. The reaction was allowed to proceed to
Kaylis [27]

Answer: 59 grams

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

2H_2O\rightarrow 2H_2+O_2

Given: mass of hydrogen = 6.6 g

mass of oxygen = 52.4 g

Mass of products = Mass of hydrogen + mass of oxygen = 6.6 +52.4 = 59 g grams

Thus mass or reactant = mass of water

Mass of reactants = mass of products = 59 g

Thus the mass of water initially present was 59 g.

3 0
4 years ago
Why can non polar covalent compounds dissolve in alcohol?
aleksklad [387]

Answer:

Non-polar solvents cannot dissolve polar compounds since no opposite charges exist and the polar compound is not attracted.

Explanation: birb smorts

7 0
2 years ago
Read 2 more answers
Which part of the atom is responsible for chemical bonding
Firdavs [7]

It states the fact, which we now know, that electrons are responsible for the chemical bonding. According to this theory, valency is the number of electrons present in the outermost energy shell of the atom. This energy shell is called valency shell.

4 0
4 years ago
What is ionic bond,,,?​
andreev551 [17]

Answer:

An ionic bond is the bonding between a non-metal and a metal, that occurs when charged atoms (ions) attract.

Explanation:

Here I put the function of Iconic Bond.

  • <em>Ionic bonds form so that the outermost energy level of atoms are filled. Ion. an atom or group of atoms that bring out a positive or negative electric charge as a result of having lost or gained one or more electrons.</em>

<em>Therefore, I hope this helps!</em>

7 0
3 years ago
Read 2 more answers
How many grams nh3 are equivalent to 9.3 x 1023 molecules nh3?
ICE Princess25 [194]

To solve this, we need the Avogadros number to convert to moles then multiply with molar mass to convert to mass in grams.

 

moles = 9.3 x 10^23 molecules * (1 mol / 6.022 x 10^23 molecules)

moles = 1.54 moles

 

Molar mass of NH3 is 17 g/mol:

mass = 1.54 moles * 17 g/mol

<span>mass = 26.25 g</span>

4 0
4 years ago
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