How many grams of Cl are in 535 g of CaCl2?

Answers

Answer 1
Answer: m(Ca Cl_(2))=535 g
m(Cl)=?
The molar mass of CaCl_(2) = 40.08 + 2 * 35.45 = 110.98 
The atomic mass of Cl: 35.45 ( you can see it in the Periodic table) 
110.98 g CaCl_(2)- 35.45 * 2 g Cl
535 g CaCl_(2) - x g Cl
Proportion:
110.98 : 535 = (35,45 * 2) : x
x = 535 * 35.45 * 2 / 110.98 = 37,931.5/110.98 = 341.79 g
Answer: m(Cl)=341.79 g

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What is the ∆G for the following reaction under standard conditions (T = 298 K) for the formation of NH4NO3(s)? 2NH3(g) + 2O2(g) NH4NO3(s) + H2O(l)Given:NH4NO3(s): ∆Hf = -365.56 kJ ∆Sf = 151.08 J/K. NH3(g): ∆Hf = -46.11 kJ ∆Sf = 192.45 J/K. H2O(l): ∆Hf = -285.830 kJ ∆Sf = 69.91 J/K. O2(g): ∆Hf = 0.00 kJ ∆Sf = 205 J/K.

Why is H2SO4 regarded as an ampholyte

Answers

I think sulfuric acid cannot be regarded as an ampholyte. Ampholytes are amphoteric molecules or that contains both acidic and basic groups. An amphoteric compound can react both as an acid and a base which sulfuric acid is not capable.

If a gas is heated from 263 to 298 k, the volume is 24 l to 35 l at 1.00 atm pressure. what is the final pressure?

Answers

There is a formula for this:
P1*V1/T1=P2*V2/T2

just plug in the numbers and solves!!
if you have any more issues, let me know!!

Which best describes the oxidizing agent in this reaction? Cl2(aq) + 2Brmc003-1.jpg(aq) mc003-2.jpg 2Clmc003-3.jpg(aq) + Br2(aq)

Answers

The balanced chemical equation is this:
Cl2(aq) + 2Br-(aq) --> 2Cl- + Br2(aq)

Looking at each substance involved in the reaction:
Cl2 has 0 charge and gains a charge of -1 after the reaction
Br- has a charge of -1 but turns to 0 after the reaction

Cl2 gained an electron which means it is the reduced substance
Br- lost an electron which means it is the oxidized substanced
Consequently, Cl2 is the oxidizing agent and Br- is the reducing agent.

Answer:

Bromine (Br) loses an electron, so it is the reducing agent.

Explanation:

EDG20

This malleable metal has an atomic number of 79

Answers

The malleable metal on the periodic table with the atomic number of 79 is gold

Can someone help me find the 5 digits numbers in here?

Answers

Answer:

20322

Explanation:

Could it have something to deal with the teeth or mouths? The first pumpkin you have two teeth, second pumpkin looks like a 0, the third pumpkin I’m unsure of. The forth pumpkin has two teeth again same with the fifth.

So first pumpkin - 2
The second pumpkin - 0
The third pumpkin I’m unsure of
The forth pumpkin - 2
The fifth pumpkin - 2
So 20?22

Just an idea for ya. Hopefully it helps

Is AgOH aqueous or a solid?

Answers

Answer :AgOH is a solid.

Explanation;

AgOH can be produced from the reaction between NaOH(aq) and AgNO₃(aq). The balanced reaction equation is

NaOH(aq) + AgNO₃(aq)  AgOH(s) + NaNO₃(aq)

AgOH is a brown color precipitate which has a Ksp value as  6.8 x 10⁻⁹. The molecular weight of AgOH is 124.88 g/mol.

Final answer:

Silver Hydroxide (AgOH) is generally a solid at room temperature, but its state can change under different conditions. It is not typically found in aqueous form.

Explanation:

In the field of Chemistry, AgOH, also known as Silver Hydroxide, is considered to be a solid at room temperature. Silver Hydroxide is an unstable compound that decomposes easily into its constituent water and silver oxide. Hence, it is not typically found in aqueous (dissolved in water) form. However, it's important to understand that its state can change under different conditions such as temperature and pressure.

Learn more about AgOH here:

brainly.com/question/35438924

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