Geography College

calculate the mass of water formed when 4g of methane is burnt in excess oxygen​

Answers

Answer 1

CH4 + 02 → H20 + CO2

balance equation

CH4 + 2O2 → 2H2O + CO2

4 ÷ ( 12 + 4 ) = 0.25 mol

1 : 2

no mole of H2O = 0.25 × 2 = 0.5 mol

mass of H2O = 0.5 × ( 2 + 16 ) = 9g

Related Questions

in which layer of the atmosphere do the radio wave signals bounces off? Explain the importance of this characteristic to use​

Answers

Answer:

the ionosphere. This layer bounces radio transmissions from earth keeping us connect through the radio all over the earth.

influence of drought on de economy​

Answers

it would influence the economy to go down because droughts cause crops to stop growing and when you have no crops you have no money and no food

In △ABC, m∠CBD = 80. What is the measure of ∠CAD

Answers

Answer: <CAD = 100

Explanation:

180 - 80 = 100

How does fourth industrial revolution affect?​

Answers

Answer:

fourth industrial revolution affect by reducing the road fatalities and insurance costs, and carbon emissions. This  driving innovation across growing numbers of products and services, and the more data you have, the better the predictions get.Machine learning algorithms can analyze these billions of transactions and variables to make businesses smarter. They can help businesses anticipate trends in consumer demands, personalize promotions for individual customers, and optimize pricing. But sometimes  There are some hefty moral and ethical implications for many things.

Explanation:

Birds going to the same bird feeder
Learned Behavior
Instinct

Answers

Learned behavior
This is because instinct drives them to eat and find food, but they have to learn that a certain feeder is always out and available

A scientist claims that Fabric A is better able to resist fire than Fabric B.
Which option describes an experiment that will produce evidence that will
support or refute her claim?

Answers

Answer: Hold each type of fabric over a candle flame and time how long it takes for the fabric to start to burn

Explanation: add my on snap it’s “imepzy”

Answer:

hold each fabric over...

Explanation:

here you go

At which plate boundary would you find an oceanic crust colliding with a continental?

Answers

Answer:

Subduction zones

Explanation:

When oceanic crust converges with continental crust, the denser oceanic plate plunges beneath the continental plate. This process, called subduction, occurs at the oceanic trenches. The entire region is known as a subduction zone. Subduction zones have a lot of intense earthquakes and volcanic eruptions.

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