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Yuliya22 [10]
3 years ago
8

Given the reaction: mg(s) 2 agno3(aq)--> mg(no3)2(aq) 2 ag(s) which type of reaction is represented? (1) single replacement (

3) synthesis (2) double replacement (4) decomposition

Chemistry
1 answer:
Shkiper50 [21]3 years ago
6 0
1.) single replacement reaction. Hope this helps you.

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How does the octet rule allow you to predict the charge an ion will have?
photoshop1234 [79]
 <span>Because of the octet rule, it is easy to predict the charge of the ion of an element. Look at the number of valence electrons the element has. If it is between 1 and 4 the atom will most likely loose those electrons to become stable, making it a positive ion with the charge of the number of electrons it will lose. If it has between 4 and 8 valence electrons the atom will most likely gain electrons to achieve a full outer ring of 8 electrons. Its atom will have a negative charge of the number of electrons it needs to have 8 total. Hope I Helped If You Don't Mind May I Have A Brainliest Answer Please? :)</span>
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3 years ago
Chemistry, need answer ASAP!! 50 points and i'll mark brainliest if correct! ^w^
pishuonlain [190]

Answer:

615 g

Explanation:

In order to convert from moles of any given substance into grams, we have to use said substance's <em>molar mass</em>, as follows:

  • # moles * Molar mass = grams of substance.

Thus, we now <u>calculate the molar mass of beryllium iodide</u>, BeI₂, using the <em>molar masses of the elements</em>:

  • Molar Mass of BeI₂ = Molar Mass of Be + (Molar Mass of I)*2 = 262.821 g/mol

Finally we <u>calculate how many grams are there in 2.34 moles of BeI₂</u>:

  • 2.34 mol * 262.821 g/mol = 615 g
4 0
2 years ago
Explain how water behaves in this reaction. Which definition of acids and bases would you apply?
mafiozo [28]

Water behaves as a base in this reaction.

The Bronsted-Lowry definition is applied, because the reaction involves the transfer of H+ from one reactant to the other.

A Bronsted-Lowry base is defined as a substance that accepts a proton.

Because water gains a proton to form H3O+ in this particular reaction, it acts as a base

5 0
3 years ago
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How are different elements distinguishable from one another? (Check all that apply.)
Kazeer [188]
The correct answer to this question is the unique atomic number which would be B
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2 years ago
Put 30,000,000,000 into scientific notation
Neko [114]
Your number in decimal form is
3,000,000
.
To get to standard scientific notation, we move the decimal point so there is only one non-zero digit in front of the decimal point.
So,
3,000,000
becomes
3.000,000
.
The trailing zeroes are not significant, so
3.000,000
becomes
3
.
We moved the decimal point six places, so the exponent is
6
.
We moved the decimal point to the left, so the exponent is positive.
The exponential part is therefore
10
6
.
3,000,000=3 X10^6
8 0
3 years ago
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