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Afina-wow [57]
3 years ago
10

For ___, 2 lobes have positive signs while the other 2 have negative signs, showing that the opposite lobes of have same sign.​

Chemistry
1 answer:
notsponge [240]3 years ago
4 0

Answer:d orbitals

Explanation: just trustme

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I need someone to answer these.
SCORPION-xisa [38]

Answer:

The identity of an atom is determined my the number of <u>protons</u>. This is the <u>atomic number</u>.

The particle(s) found inside the nucleus are called <u>protons and neutrons</u>. Their combined mass is referred to as <u>the mass number</u>.

Isotopes have the same number of <u>protons</u>, but different number of <u>neutrons</u>.

7 0
3 years ago
Which of these is an example of a chemical change?
egoroff_w [7]

A. Fireworks exploding is the answer

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3 years ago
Read 2 more answers
How many grams of sodium carbonate are produced when 5.3 moles of sodium phosphate reacts with aluminum carbonate?
Korvikt [17]

Answer: There is 842.54 grams of sodium carbonate are produced when 5.3 moles of sodium phosphate reacts with aluminum carbonate.

Explanation:

Chemical equation depicting reaction between sodium phosphate and aluminum carbonate is as follows.

Al_{2}(CO_{3})_{3} + 2Na_{3}PO_{4} \rightarrow 2AlPO_{4} + 3Na_{2}CO_{3}

As this equation contains same number of atoms on both reactant and product side. So, this equation is a balanced equation.

According to the equation, 2 moles of sodium phosphate is giving 3 moles of sodium carbonate.

Therefore, sodium carbonate formed by 5.3 moles of sodium phosphate is as follows.

\frac{3}{2} \times 5.3 mol\\= 7.95 mol

As number of moles is the mass of substance divided by its molar mass. So, mass of sodium carbonate ( molar mass = 105.98 g/mol) is as follows.

No. of moles = \frac{mass}{molar mass}\\7.95 mol = \frac{mass}{105.98 g/mol}\\mass = 842.54 g

Thus, we can conclude that there is 842.54 grams of sodium carbonate are produced when 5.3 moles of sodium phosphate reacts with aluminum carbonate.

8 0
3 years ago
Resistance is the slowing of the flow of electrons and where some of the electrical energy is converted into heat.  true or fals
zaharov [31]

Answer: True

Explanation:

I just took the test and got it right

3 0
3 years ago
What term best describes the copper in a mixture of 92 percent silver and 8 percent copper?
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3 years ago
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