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OLga [1]
3 years ago
5

How do volcanos such as ojos del salado form?

Chemistry
1 answer:
Ksenya-84 [330]3 years ago
6 0

Answer:

Deep inside Earth, between the molten iron core and the thin crust at the surface, there is a solid body of rock called the mantle. When rock from the mantle melts, moves to the surface through the crust, and releases pent-up gases, volcanoes erupt.

Explanation: hot molten rock, ash, and gases escape from the volcano

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What volume of product is produced when 20.0 Mg of liquid hydrogen reacts with
mihalych1998 [28]

Answer: The volume of product formed is 0.26 L

Explanation:

\text{Moles of solute}=\frac{\text{given mass}}\times{\text{Molar Mass}}    

\text{Moles of} H_2=\frac{0.02g}{2g/mol}=0.01moles

2H_2(l)+O_2(l)\rightarrow 2H_2O(g)

As O_2 is the the excess reagent, H_2 is the limiting reagent as it limits the formation of product.

According to stoichiometry :

2 moles of H_2 give = 2 moles of H_2O

Thus 0.01 moles of H_2 will give =\frac{2}{2}\times 0.01=0.01moles  of H_2O

According to ideal gas equation:

PV=nRT

P = pressure of gas = 101.325 kPa = 1 atm

V = Volume of gas = ?

n = number of moles = 0.01

R = gas constant =0.0821Latm/Kmol

T =temperature =40^0C=(40+273)K=313K

V=\frac{nRT}{P}

V=\frac{0.01mol\times 0.0821L atm/K mol\times 313K}{1atm}=0.26L

Thus the volume of product formed is 0.26 L

8 0
3 years ago
Which is located inside the lung?
ZanzabumX [31]

Answer:what are the options????

Explanation:

4 0
3 years ago
How many milligrams of sugar are in a teaspoon of sugar
grigory [225]

Answer 2325 milligrams.

Explanation:The unit is abbreviated as tsp. Convert Milligrams (mg) to Teaspoons (tsp): 1 mg is approximately equal to 0.0002 tsps. One milligram is a relatively small quantity of table sugar A mere one-teaspoon of granulated sugar contains some 2325 milligrams. Yay wiki

6 0
3 years ago
PLEASE HELP!!!!!!!
shusha [124]

Answer:

impacts on visiters

Explanation:

hope this is right sorry if its not

Joshua Tree suffers from air pollution and smog blowing into the park. Increased warming from climate change worsens the visibility from smog and air pollution, due to the chemistry of how smog reacts to heat.

4 0
2 years ago
A 52 gram sample of an unknown metal requires 714 Joules of energy to heat it from
ratelena [41]

Answer:  Approximately 0.267 \frac{\text{J}}{\text{g}^{\circ}\text{C}}

===================================================

Work Shown:

We have the following variables

  • Q = 714 joules = heat required
  • m = 52 grams = mass
  • c = specific heat = unknown
  • \Delta t = 82-30.5 = 51.5 = change in temperature

note: the symbol \Delta is the uppercase Greek letter delta. It represents the difference or change in a value.

Apply those values into the formula below. Solve for c.

Q = m*c*\Delta t\\\\714 = 52*c*51.5\\\\714 = 52*51.5*c\\\\714 = 2678*c\\\\2678*c = 714\\\\c = \frac{714}{2678}\\\\c \approx 0.26661687826737\\\\c \approx 0.267\\\\

The specific heat of the unknown metal is roughly 0.267 \frac{\text{J}}{\text{g}^{\circ}\text{C}}

3 0
3 years ago
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