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FrozenT [24]
3 years ago
6

Identify the reactant and products in the following chemical reaction: CH4 + 2O2 ➡ CO2 + 2H2O

Chemistry
1 answer:
kap26 [50]3 years ago
6 0

The reactants are methane and oxygen.

The products are carbon dioxide and water.

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Lava is extrusive magma. True False
Mars2501 [29]
True 
Extrusive rock is on the surface 
lava and magma are the same thing, except lavas on the surface of the earths crust, while magma is below the crust.
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4 0
3 years ago
State one medical use of radioactive isotopes
Korvikt [17]

Answer:

Radioactive isotopes are widely used in medical field

Explanation:

Radioactive isotopes are widely used in medical field.

Radiations emitted by radioactive isotopes or used to kill the microorganism in food and to increase the shelf life of food.

Cobalt-60 is used to treat the cancer.

Iodine-131 is used to check the activity of thyroid.

Technetium-99 also used for the thyroid.

Phosphorus-32 is used to detect the cancer specially in skin and eyes.

Xenon-133 is used for lungs imaging.

Au-198 is used to diagnose the liver disease.

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5 0
3 years ago
In which of the following compounds is the mass ratio of chromium to oxygen closest to 1.62 to 1.00?
ohaa [14]

Answer:

The answer to your question is letter A

Explanation:

Data

Mass ratio 1.62 to 1.00

Atomic mass Cr = 52 g

Atomic mass O  = 16

Process

1.- Calculate the proportion Chromium to Oxygen to each possible solutions

a) CrO₃   =   \frac{52}{16 x 3} = \frac{52}{48} = 1.08

b) CrO₂   =   \frac{52}{16 x 2} = \frac{52}{32} = 1.63

c) CrO     = \frac{52}{16} = 3.25

d) Cr₂O   =  \frac{52 x 2}{16} = \frac{104}{16} = 6.5  

8 0
2 years ago
Who was the first president of Jamaica ​
Lyrx [107]
Sir William Alexander Clarke Bustamante.

Hope This Helps!
8 0
2 years ago
Read 2 more answers
What does the symbol H stand for
muminat

Answer:

enthalpy

Explanation:

If it is used with a triangle in front, (delta H), that means the change in enthalpy. Delta H= (m)(s)(Delta T).  m=mass of products, s=heat of the products, Delta T = change in temperature.

Hope that helps

4 0
3 years ago
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