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natita [175]
3 years ago
13

Is this equation balanced and in the lowest form? 4NH3 → 2N2 + 6H2 Yes, because there are equal amounts of atoms of each element

on both sides. No, because the coefficients could be reduced to 2,1, and 3. Yes, because the coefficients are in their lowest whole number ratio. No, because the coefficients could be reduced to 2, 2, and 4.
Chemistry
2 answers:
Charra [1.4K]3 years ago
6 0
It is Balanced but not in its lowest form.
This is because the coefficients could have been reduced to 2,1&3.
tankabanditka [31]3 years ago
3 0

Answer: The given equation is not balanced in its lowest form because the coefficients could be reduced to 2, 1 and 3.

Explanation: We are given a equation but it is not balanced in its lowest form, so to reduce it into its lowest form, we divide the whole equation by 2.

The equation becomes:

2NH_3\rightarrow N_2+3H_2

The coefficients for the equation are 2, 1 and 3.

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How do you find out mass in science
Aliun [14]
Multiply the volume and density together. Multiply your two numbers together, and you'll know the mass of your object. Keep track of the units as you do this, and you'll see that you end up with units of mass (kilograms or grams). Example: We have a diamond with volume 5,000 cm3 and density 3.52 g/cm3
3 0
4 years ago
Read 2 more answers
The proper name for a carbohydrate polymer with 2 subunits is
valentina_108 [34]
Carbohydrates are classified in three major categories depending upon the number of sub units joining to form them. These are,

                                                Monosaccharides

                                                Oligosaccharides

                                                Polysachharides

The simplest single units are monosaccharides, if units are ranging between two and twenty they are called oligosaccharides and above twenty joining units they are called polysachharides.

Result:
          <span>The proper name for a carbohydrate polymer with 2 subunits is called Oligosachharide in general and Disaccharide in specific.</span>
8 0
4 years ago
9) Which element in each pair has the larger ionization energy?
erastovalidia [21]
I think the answer is C.
6 0
3 years ago
Which statements are true of solutions?
Dimas [21]

Answer: they contain solutes and solvents, their particles must be evenly distributed, they may contain solid liquid and gas simultaneously, and they are homogeneous matter.

Explanation:

4 0
3 years ago
HELP PLZ!CHEMISTRY.WILL GIVE BRAINLIEST!!!!
Andrej [43]

1. 12 L = 12 dm³

2. 3.18 g

<h3>Further explanation</h3>

Given

1. Reaction

K₂CO₃+2HNO₃⇒ 2KNO₃+H₂O+CO₂

69 g K₂CO₃

2. 0.03 mol/L Na₂CO₃

Required

1. volume of CO₂

2. mass Na₂CO₃

Solution

1. mol K₂CO₃(MW=138 g/mol) :

= 69 : 138

= 0.5

mol ratio of K₂CO₃ : CO₂ = 1 : 1, so mol CO₂ = 0.5

Assume at RTP(25 C, 1 atm) 1 mol gas = 24 L, so volume CO₂ :

= 0.5 x 24 L

= 12 L

2. M Na₂CO₃ = 0.03 M

Volume = 1 L

mol Na₂CO₃ :

= M x V

= 0.03 x 1

= 0.03 moles

Mass Na₂CO₃(MW=106 g/mol) :

= mol x MW

= 0.03 x 106

= 3.18 g

3 0
3 years ago
Read 2 more answers
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