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3 years ago

The equation where ammonia (NH3) reacts with oxygen (O2) to produce water and nitric oxide (NO), is a type of reaction.

Chemistry

1 answer:

Gnesinka [82]3 years ago

8 0

The correct answer is Exothermic reactions

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Dead leaves on the forest floor become new soil through the actions of _____.

laila [671]

I believe the answer is Decomposition. They become new soil through decomposers decomposing it, and making it soil.
~Silver

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3 years ago

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What may be expected when K > 1.0?

lora16 [44]

The two correct statements are:

1. The concentration of one or more of the products is small

2. The reaction will proceed to the right and favor the formation of products.

LeChatelier's Principle states that when a stress is imposed on a system at equilibrium, the equilibrium will shift to counteract the change. A reduction in the number of products cause the system to respond by making more product, which leads to K>1 and products being more favorable.

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3 years ago

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A liquid sample, with a density of .0915 g/mL has a mass of 17.7 grams.

Arlecino [84]

The relation between density, mass and volume is

$Density = \frac{Mass}{Volume}$

1) to calculate = volume

given:

Density = 0.0915 g/ mL

mass = 17.7 grams

formula used:

$Density = \frac{Mass}{Volume}$

Thus

Volume $Volume = \frac{Mass}{Density} = \frac{17.7 g}{0.915 \frac{g}{mL} } = 193.44 mL$

Answer: 193.44 mL

2) the mass of sample will be

$mass = density X volume = 0.0915\frac{g}{mL} X 76.5 mL = 6.99 = 7 g$

Answer: 7 g

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3 years ago

How to calculate magnitude of k

olasank [31]

Use Arrhenius equation:
k = A*exp(-Ea/RT)
We have:
1.35x10^2/s = A*exp(-85600/(8.314*298.15))
or: A = 1.342x10^17/s
It is a piece of cake to calculate:
k = 1.342x10^17*exp(-85600/(8.314*348.15))
= 1.92x10^4/s

6 0

3 years ago

What is the correcr sum of Cl2+KBr=Br2+KCl

oksano4ka [1.4K]

Cl2 + 2KBr = Br2 + 2KCl

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3 years ago