Write balanced complete ionic equation for AgNO3(aq)+NaCl(aq)→AgCl(s)+NaNO3(aq)

Answers

Answer 1
Answer: AgNO3(aq)+NaCl(aq)→AgCl(s)+NaNO3(aq)
the coefficients are 1 because the equation is balanced already

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Why rusting takes place more readily in coastal areas

Answers

Corrosion is a better word to use as Iron is the metal that 'rusts' and it happens more in coastal areas because coasts are humid. Humidity reacts with the metal causing it to corrode and wakening it

Which of the following is a single replacement reaction?Fe2O3 + 3H2O yields 2Fe(OH)3FeS + 2HCl yields FeCl2 + H2S
2Mg + O2 yields 2MgO
Mg + 2HCl yields MgCl2 + H2

Answers

Answer: Mg+2HCl\rightarrow MgCl_2+H_2

Explanation:

1. Synthesis reaction is a chemical reaction in which two reactants are combining to form one product.

Example: Fe_2O_3+3H_2O\rightarrow 2Fe(OH)_3  

2Mg+O_2\rightarrow 2MgO

2. Double displacement reaction is one in which exchange of ions take place.  

Example: FeS+2HCl\rightarrow FeCl_2+H_2S

3. Single replacement reaction is a chemical reaction in which more reactive element displaces the less reactive element from its salt solution.

Example: Mg+2HCl\rightarrow MgCl_2+H_2

Mg + 2HCl yields MgCl2 + H2 since chlorine is being displaced

Every substance melts at 0 degrees Celsius and boils at 100 degrees Celsius.True
False

Answers

False, that only applies to water as far as I know, but I know for a fact that gold does not melt at 0 degrees Celsius
Hello! It is true that water boils at 100% C, however, this is not true for any substance. Take steel, for instance, steel would take MUCH higher temperatures to melt, and to boil. As it says "ANY SUBSTANCE" this would be false.

I hope this helped!

I am, yours most sincerely,
SuperHelperThingy

In the following combustion reaction of acetylene (C2H2), how many liters of CO2 will be produced if 60 liters of O2 is used, given that both gases are at STP?2C2H2+5O2 2H2O+4CO2

The volume of one mole of gas at STP is 22.4 liters.

Answers

The stoichiometry of the reaction is 5 mols of O2 produces 4 mols of CO2.

1 mol at STP is equivalent to 22.4 liters.

So, 5*22.4 liters of O2 produces 4*22.44 liters of CO2

Then 60 liters of O2 produces 60*4/5 = 48 liters of CO2

Final answer:

In the combustion reaction of acetylene (C2H2), 60 liters of CO2 will be produced if 60 liters of O2 is used.

Explanation:

To determine the volume of CO2 produced in the combustion reaction of acetylene (C2H2), we need to use stoichiometry. From the balanced equation, we can see that 2 moles of C2H2 produce 4 moles of CO2. The ratio is 2:4 or 1:2. Given that 60 liters of O2 is used, we can assume the same volume of CO2 will be produced since both gases are at STP.

Therefore, the volume of CO2 produced would be 60 liters as well.

Keywords: combustion, volume, acetylene, O2, CO2, STP

Learn more about Combustion reaction of acetylene here:

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What is a contributor of global warming

Answers

Pollution, greenhouse gases, climate change

A solution has a [OH-] = 8.6 x 10-5. Answer the following questions.

pOH =
pH =
[H+] =

Answers

Answer: pOH= 4.06

pH= 9.94

[H^+]=1.14* 10^(-10)M

Explanation: pOH is the negative logarithm of OH^- concentration.

pH is the negative logarithm of H^+ concentration.

pOH=-log[OH^-]

pOH=-log[8.6* 10^(-5)]=4.06

2) pH+pOH=14

pH=14-4.06

pH=9.94

3) pH=-log[H^+]

9.94=-log[H^+]

[H^+]=1.14* 10^(-10)M

pOH = 4
pH = 10
[H+] = 1 X 10^-10