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3241004551 [841]
1 year ago
11

How much heat will be released (AH) if

Chemistry
1 answer:
AveGali [126]1 year ago
4 0

Answer:

11.29 kJ (to 4 sf)

Explanation:

Here, ammonia is the limiting reactant.

For the reaction to occur once, 4 moles of ammonia must be consumed.

Thus means that the reaction can occur 0.1579/4=0.039475 times.

Therefore, (286)(0.039475) = 11.29 kJ (to 4 sf)

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The songs of birds are part of a ritual to attractpotential partners of their own species. The song presents specific patterns r
liberstina [14]

Answer:

Explanation:

Bird courtship and mating dances include many unique ways to attract mates. Learn about their courtship behaviors and why they matter. ... When birders recognize courting birds, they can be sure to avoid disturbing ... the charming songs used to woo partners can help distinguish species so birds are sure ...

6 0
3 years ago
Use the atomic mass of indium to calculate the relative abundance of indium-113.
ASHA 777 [7]

The relative abundance of indium-113 is 4%.

The isotopes are species of the same element having the same atomic number but a different mass number.

The elements occurring in nature exist as multiple isotopes.

When we take into account the existence of these isotopes and their relative abundance (percent), the average atomic mass of that element can be computed, which is given by the following formula,

Average atomic Mass= (%age of isotope 1) x (Mass of isotope 1) + (%age of isotope 2) x (Mass of isotope 2)/100

Indium exists in the form of Indium-113 and Indium-115.

The mass of Indium-113 is 112.90 u.

The mass of Indium-115 is 114.90 u.

The average atomic mass of Indium is 114.82 u.

Let the %age of isotope 1(Indium-113) be X.

Then, the %age of isotope 2(Indium-115) would be 100-X.

Applying the values in the formula,

Average atomic mass = 112.90X+114.90(100-X)

114.82 = 112.90X+114.90(100-X)

On solving the above equation, the value of X comes out to be 4%.

Thus, the relative abundance/%age abundance of Indium-113 is 4%.

To know more about "Average Atomic Mass", refer to the following link:

brainly.com/question/13753702?referrer=searchResults

#SPJ4

7 0
1 year ago
A gas sample has a temperature of 19 °C with an unknown volume. The
andreev551 [17]

Answer: 373 mL

Explanation:

Since there is no change in pressure, the formula: V / T = V / T can be used.

However, you must first convert the temperatures to Kelvin by adding 273 to them:

(19 + 273) = 292K and (90 + 273) = 363K.

Now, plug in: V / 292 = 464 / 363 → V = 373 mL :)

4 0
2 years ago
Metric prefix name for 1/100 ?
babymother [125]
The metric prefix name for 1/100 is centimeters.
5 0
3 years ago
What is the mass in grams of 6.00 × 10¹⁵ molecules of CS₂?
Elenna [48]

6,160.506

Explanation:

That is, the molar mass of a substance is the mass (in grams per mole) of 6.022 × 1023 atoms, molecules, or formula units of that substance. In each case, the number of grams in 1 mol is the same as the number of atomic mass units that describe the atomic mass, the molecular mass, or the formula mass, respectively.

3 0
2 years ago
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