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arlik [135]
3 years ago
13

Answer this question:

Chemistry
1 answer:
almond37 [142]3 years ago
5 0

Answer:

Meteorologists look at data help from the computer about temperature, pressure, humidity, and wind speed, among many other data points to try and accurately predict the weather.

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Most of the mass in a growing tree comes from what?<br> Trunk<br> CO2<br> Leaves<br> Oxygen
arlik [135]

Answer:

Pero el carbono también es importante. Todos los seres vivos sobre la Tierra están hechos de carbono. Si eliminas el agua de nuestro cuerpo, encontrarás que el carbono constituye la mayoría del peso o masa restante. Lo mismo es cierto para las plantas.

Explanation:

4 0
3 years ago
Choose all of the following mole ratios that are correct for the reaction given below. Be sure to choose all that apply.
Dennis_Churaev [7]

Answer:

2 moles NH3 = 1 mole of N2

3 moles of H2 = 1 mole of N2

3 moles of H2 = 2 moles of NH3

Explanation:

The balanced equation for the reaction is given below:

N2 + 3H2 —> 2NH3

From the balanced equation above,

1 mole of N2 reacted with 3 moles of H2 to produce 2 moles of NH3.

Thus, we can say that:

1 mole of N2 = 3 moles of H2

1 mole of N2 = 2 moles of NH3

3 moles of H2 = 2 moles of NH3

Thus, considering the options given above, the right answers to the question are:

2 moles NH3 = 1 mole of N2

3 moles of H2 = 1 mole of N2

3 moles of H2 = 2 moles of NH3

5 0
3 years ago
Read 2 more answers
Match the layer to how much of Earth's mass it comprises. *
Gnoma [55]

Question: Match

Answer:

Core → 35%

Mantle → 64%

Crust → 1%

6 0
3 years ago
Read 2 more answers
How many protons, electrons, and neutrons does 1 H+ isotope contain
nlexa [21]
<h3>Answer:</h3>

H+ contains 1 proton, 0 neutrons, 0 electrons.

<h3>Explanation:</h3>
  • An atom is the smallest particle of an element that can take part in a chemical reaction.
  • Atoms are made of sub-atomic particles neutrons and protons found in the nucleus and electrons found in the energy levels.
  • A hydrogen atom contains 1 proton and 0 neutrons in the nucleus and 1 electron in the energy levels.
  • A hydrogen atom loses an electron to form an ion with 1 proton, 0 neutron and 0 electron.
6 0
3 years ago
Read 2 more answers
Which chemical equation represents a precipitation reaction? A. Mg(ClO3)2(aq) + 2HCl(aq) → MgCl2(aq) + 2HClO3(aq) B. AlBr3(aq) +
Rama09 [41]

Answer is D.

Among the given options, the products of equation A, B and C are aqueous solutions. Those are indicated by using (aq).

The balanced equation for the reaction between Li₂CO₃(aq) and FeCl₂(aq) is Li₂CO₃(aq) + FeCl₂(aq) → 2LiCl(aq) + FeCO₃(s)

LiCl is a salt while FeCO₃ is a Grey/green color precipitate. Hence, option D represents a precipitation reaction.

5 0
4 years ago
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