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mojhsa [17]
3 years ago
10

How do you find half life like i know the formula with 1/2 but how do you know how many times you do it

Chemistry
2 answers:
maksim [4K]3 years ago
3 0
Can you give the specific problem?
poizon [28]3 years ago
3 0
Only one time.....................
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ANSWER QUICKLY PLEASE
bixtya [17]

Answer: A

Explanation:

It's separates naturally due to the consistency of each ingredient in the milk making some of it sink down and you don't want a bad milk

5 0
3 years ago
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(d) If you have 9.44 g of NazPO4, how many grams of AgNO, will be needed for complete
AlladinOne [14]

30.6 g of AgNO₃

Explanation:

We have the following chemical reaction:

Na₃PO₄ + 3 AgNO₃ → Ag₃PO₄ +  3 NaNO₃

Now we calculate the number of moles of  Na₃PO₄:

number of moles = mass / molecular weight

number of moles of Na₃PO₄ = 9.44 / 164 = 0.06 moles

Now we formulate the following reasoning:

if        1 mole of Na₃PO₄ will react with 3 moles of AgNO₃

then  0.06 moles of Na₃PO₄ will react with X moles of AgNO₃

X = (0.06 × 3) / 1 = 0.18 moles of AgNO₃

mass = number of moles × molecular weight

mass of AgNO₃ = 0.18 × 170 = 30.6 g

Learn more about:

mole concept

brainly.com/question/1445383

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3 0
2 years ago
What forms when iron-53 decays?
erastovalidia [21]
It depends on the type of decay that's taking place, but if it's b+ it'd decay into Mn-52. If it's b- it'd decay into Co-59 (i'm sure??)
7 0
2 years ago
How many grams of Al2O3 can form from 34.6 grams of Al
ankoles [38]

Answer: 65.28 g of Al_2O_3 will be produced from 34.6 g of Al.

Explanation:

To calculate the moles :

\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}    

\text{Moles of} Al=\frac{34.6g}{27g/mol}=1.28moles

The balanced chemical reaction is

4Al+3O_2\rightarrow 2Al_2O_3  

According to stoichiometry :

4 moles of Al produce =  2 moles of Al_2O_3

Thus 1.28 moles of Al produce=\frac{2}{4}\times 1.28=0.64moles  of Al_2O_3

Mass of [tex]Al_2O_3= moles\times {\text {Molar mass}}=0.64moles\times 102g/mol=65.28g

Thus 65.28 g of Al_2O_3 will be produced from 34.6 g of Al.

5 0
2 years ago
WHY ARE FROGS SAID to have "two lives?'
kompoz [17]
Because they live in water half of their lives and land most of their lives
3 0
3 years ago
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