Which tool is used to detect yellow light rays emitted by stars from outer space?

Chemistry

1 answer:

elixir [45]3 years ago

3 0

Answer A

x-ray optical telescope.

hope this helps!.

You might be interested in

Given the equation representing a reaction: H2 O2 --> H2O . What is the total mass of water formed when 8 grams of hydrogen r

Brrunno [24]

2 H₂ + O₂ = 2 H₂O

4 g H₂ ------------ 32 g O₂----------- 36 g H₂O
 8 g H₂ ------------ 64 g O₂------------ ? g H₂O

Mass of H₂O :

64 * 36 / 32 =

2304 / 32 = 72 g of H₂O

hope this helps!

5 0

4 years ago

Help pls, ty.

Ann [662]

Answer:

According to conservation of matter, there should be equal amounts of all elements on both the reactant and product side.

Reactant:

1 Ca

1 C

1 O

Product:

1 Ca

1 C

3 O

Therefore, your friend is right because the law of conservation of matter is not followed in this chemical equation.

Explanation:

(2)

3 0

3 years ago

A mixture of 620 lbmol/h of 36 mol% benzene and the remainder toluene is separated continuously into two products. One product i

Licemer1 [7]

Answer:

$P_1=206.7lbmol/h\\\\P_2=413.3lbmol/h$

Explanation:

Hello!

In this case, for the separation of the benzene-toluene mixture, we can use the following mole balances including the given mole fraction at each stream per species:

$B:0.36*620=0.98P_1+0.05P_2\\\\T:0.64*620=0.02P_1+0.95P_2$