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Elden [556K]
2 years ago
14

In a balanced equation, the number of each type of atom on the reactant side ____________ the number of each type of atom on the

product side.
Doubles

Equals

Halves

Tripples
Chemistry
1 answer:
allochka39001 [22]2 years ago
8 0

Answer:

Equals

Explanation:

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What is a niche of a greenfly?
gizmo_the_mogwai [7]

Answer:

Explanation:

Different butterfly species occupy slightly different niches, but most are forest- or field-dwelling, flying, nectar-feeding insects. ... During feeding, butterflies are often covered in pollen, making them effective agents of pollination for plants.

3 0
3 years ago
A chemist combined 0.440 L of an unknown calcium solution with an excess of ammonium chromate. This resulted in the precipitatio
Rina8888 [55]

The concentration of the original calcium ions is 0.005 M

<h3>What is concentration?</h3>

The term concentration has to do with the amount of substance in solution. We know that the concentration can be measured in a lot of units such as mole/litre, grams per litre, percentage and so on.

As such we have the equation;

Ca^2+(aq) + (NH4)2CrO4(aq) --------> CaCrO4(s) + 2NH4^+(aq)

Number of moles of the precipitate = 346.7 * 10^-3 g/156 g/mol

= 0.0022 moles

Now;

1 mole of Ca^2+ produces 1 mole of CaCrO4 hence 0.0022 moles of CaCrO4 was produced by  0.0022 moles of CaCrO4.

Given that the volume of the solution is  0.440 L, the concentration of the solution is;   0.0022 moles/0.440 L

= 0.005 M

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6 0
1 year ago
63. Use VSEPR theory to predict the structure of these
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4 0
3 years ago
Read 2 more answers
Explain in terms of bonding why the hydrocarbon 2-methylpropane is saturated
lakkis [162]

Answer:

because no 2 or 3 bond so it is saturated

7 0
3 years ago
Copper chloride burns bright green 510x10^9 m what is the frequency in Hz?
Katen [24]

Answer:

5.88 x 10⁻⁴Hz

Explanation:

Given parameters:

Wavelength = 510 x 10⁹m

Unknown:

Frequency  = ?

Solution:

To solve this expression, we use the equation below:

             V  = f∧

V is the velocity  = 3 x 10⁸m/s

f is the frequency

∧ is the wavelength

          3 x 10⁸   = f x 510 x 10⁹

       f  = 5.88 x 10⁻⁴Hz

5 0
2 years ago
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