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3 years ago

Will give branliest How could you possibly see the world in slow-motion

Chemistry

2 answers:

Lisa [10]3 years ago

8 0

Well if your a small animal you can see the world in slow-motion. Small animals tend to see the world in slow-motion

DanielleElmas [232]3 years ago

3 0

Answer: take out your phone, record things in slow motion mode, and watch it after?

or just try imagining it.

or tell everyone to walk slowly for scientific purposes

yeah thats all i have

Explanation:

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Calculate the standard molar enthalpy for the complete combustion of liquid ethanol (c2h5oh) using the standard enthalpies of fo

olga2289 [7]

Answer : To calculate the standard molar enthalpy of complete combustion of liquid ethanol can be done by using the formula given below;

$C_{2} H_{5}OH + 3O_{2} ----\ \textgreater \ 2CO_{2} + 3 H_{2}O$

Now, the enthalpies of the elements in their standard state is zero always.

So the $H_{reaction} = H_{products} - H_{reactants}$

Here we can avoid the heat of enthalpy of oxygen,carbon dioxide and water as they exists in their standard states.

So the $H_{reaction}$ = $H_{ C_{2}H_{5}OH}$

6 0

3 years ago

Read 2 more answers

Fuel cells have been developed that can generate a large amount of energy. For example, a hydrogen fuel cell works by combining

solmaris [256]

Use the equation P=VI.
P=power (in this case 10 kilowatts or 10000 watts)
V=voltage (in this case unknown)
I=current (in this case 15.8 amps)
rewrite the equation to be V=P/I
V=(10000 watts)/(15.8 amps)
V=632.9 volts
(I think the equation requires the units for power to be watts so you need to convert kilowatts into watts)

6 0

3 years ago

2 propanoate on oxidation gives ?

TiliK225 [7]

Answer:

l hope it will help u:-)

7 0

3 years ago

In ironmaking, iron metal can be separated from iron ore (Fe2O3) by heating the ore in a blast furnace in the presence of coke,

mel-nik [20]

The limiting reactant is iron ore, the theoretical yield of iron metal is 701.344 kg, and the theoretical yield of carbon dioxide is 413.292 kg.

<h3>Stoichiometric problem</h3>

From the equation of the reaction:

$2 Fe_2O_3(s) + 3 C(s) --- > 4 Fe(s) + 3 CO_2(g)$

The mole ratio of iron ore to carbon is 2:3.

Mole of 1000 kg of iron ore = 1000000/159.69

= 6,262 moles

Mole of 120 kg carbon = 120000/12

= 10,000 moles

Thus, it appears that the carbon is in excess while the iron ore is limited in availability.

The mole ratio of the iron ore and the iron produced is 1:2. Thus, the equivalent number of moles of iron produced will be:

6,262 x 2 = 12,524 moles

Mass of 12,524 moles of iron = 12,524 x 56

= 701,344 g or 701.344 kg

Thus, the theoretical yield of iron is 701.344 kg.

The mole ratio of the iron ore and the carbon dioxide produced is 2:3. The equivalent mole of carbon dioxide produced will be:

6,262 x 3/2 = 9,393 moles

Mass of 9,393 moles carbon dioxide = 9,393 x 44

= 413,292 or 413.292 kg

The theoretical yield of carbon dioxide is, therefore, 413.292 kg.

More on stoichiometric problems can be found here: brainly.com/question/14465605

#SPJ1

3 0

2 years ago

Compared to the physical and chemical properties of the compound NO2, the compound N2O has

Lelu [443]

Answer:

Explanation:

The two compounds have different physical properties and different chemical properties despite the fact that they are formed from nitrogen and oxygen.

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4 years ago