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vredina [299]
3 years ago
8

Why is global warming a cause of concern for the environmentalists

Chemistry
1 answer:
Alona [7]3 years ago
8 0
Global warming will (result) determination for the consummate temperature estate.   <span> :D</span>
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Based on the reaction above, how many grams of water can be produced using 50.0 grams of hydrogen?
kifflom [539]
Answer:H20

Explanation:
5 0
3 years ago
Which pair will for an ionic compound
vovikov84 [41]

Answer: A pair of elements will most likely form an ionic bond if one is a metal and one is a nonmetal. These types of ionic compounds are composed of monatomic cations and anions.

Explanation:

A pair of elements will most likely form an ionic bond if one is a metal and one is a nonmetal. These types of ionic compounds are composed of monatomic cations and anions.

Explanation:

The chart below shows monatomic ions formed when an atom loses or gains one or more electrons, and the ionic compounds they form. You can check your periodic table to see that the cations are monatomic ions formed from metals, and the anions are monatomic ions formed from nonmetals.

3 0
3 years ago
In a 35.0 L tank of N2O3 at STP, how many molecules are there?​
likoan [24]

Answer:

9.40x10^{23}molecules

Explanation:

Hello!

In this case, since we are given the volume of N2O3 and pressure and temperature for the STP (1.00 atm and 273.15 K), we can compute the moles, considering the ideal gas equation as shown below:

PV=nRT\\\\n=\frac{PV}{RT} \\\\n=\frac{1atm*35L}{0.08206\frac{atm*L}{mol*K}*273.15K}\\\\n=1.56mol

Now, by using the Avogadro's number it is possible to compute the molecules of this case in 1.56 moles:

molecules=1.56mol*\frac{6.022x10^{23}}{1mol} =9.40x10^{23}molecules

Best regards!

5 0
3 years ago
. 20 mL ethanol in 60 mL solution
goldenfox [79]

The solution is the mixture of the solute into the solvent particles. In 60 mL solution, 59.8 mL of solvent is added.

<h3>What are solute and solvent?</h3>

Solute and solvent are the components of a solution. They react and mix together to produce a homogenous mixture. The solute is a substance that is added to the solvent.

Solvents are substances that dissolve the added solute in them to make a homogenous solution.

Given,

Volume of Solute = 0.20 mL

Volume of Solution = 60 mL

The volume of solvent is calculated as:

Volume of solvent = Volume of solution - Volume of solute

= 60- 0.20

= 59.8 mL.

Therefore, 59.8 mL of solvent is present in 60 mL of solution.

Learn more about solute and solvent here:

brainly.com/question/20458032

#SPJ1

5 0
2 years ago
Please answer this question!!!!!!!!!!!!!!
shtirl [24]
A. Crust B. Mantle C. Outer Core D. Inner Core, i just studied that
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