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Marysya12 [62]
4 years ago
15

#1: What is the charge on an electrically neutral atom of hydrogen?

Chemistry
2 answers:
MakcuM [25]4 years ago
5 0
<span>my answer is B.The electrical charge of the hydrogen atom is thought to be exactly zero. This is a consequence of the apparent equality of the magnitude of the electrical charges of the electron and the proton, and their opposite sign. The electrical charge of neutral atoms has been measured to be zero, with an uncertainty of something like 10^(-20) e, where e is the elementary charge.</span>
Alecsey [184]4 years ago
3 0

Answer:

zero

Explanation:

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Identify the heterogeneous mixtures.
Margaret [11]
One thing to remember is homo=same/pure and hetero=different

so heterogeneous mixture is would be salad, vegetable soup, trail mix and brass.

this is because salad, vegetable soup, trail mix, and brass have a lot components and they’re not pure.

Hopefully i could help!!
6 0
4 years ago
What volume of hydrogen gas, when combined with nitrogen gas,
Westkost [7]

The volume of Hydrogen gas : 24 L

<h3>Further explanation</h3>

Given

16 L Ammonia(NH₃)

Required

The volume of Hydrogen gas

Solution

Reaction

N₂ + 3H₂ ⇒ 2NH₃

Avogadro's hypothesis:  

In the same T,P and V, the gas contains the same number of molecules  

So the ratio of gas volume will be equal to the ratio of gas moles  

V₁/n₁=V₂/n₂

From the equation, mol ratio of H₂ : NH₃ = 3 : 2, so volume of H₂ :

= 3/2 x volume of NH₃

= 3/2 x 16 L

= 24 L

5 0
3 years ago
What is the balanced chemical equation for caffeine?
Olegator [25]
<span>C8H10N4O2 
Or do you want it in a reaction problem? 


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8 0
3 years ago
How many molecules of oxygen are produced when a sample of 38.9 g of water is decomposed by electricity?
statuscvo [17]

Answer:

A) 6.5\times 10^{23}\ \text{molecules}

Explanation:

m = Mass of water = 38.9

M = Molar mass of water = 18 g/mol

N_A = Avogadro's number = 6.022\times 10^{23}\ \text{mol}^{-1}

The reaction of electrolysis would be

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

Number of moles of H_2O

n=\dfrac{m}{M}\\\Rightarrow n=\dfrac{38.9}{18}\ \text{mol}

From the reaction it can be seen that 2 moles of H_2O gives 1 mole of O_2

So, number of moles of O_2 produced is

\dfrac{38.9}{18}\times \dfrac{1}{2}=1.081\ \text{mol}

Number of molecules

1.081N_A=1.081\times 6.022\times 10^{23}\\ =6.5\times 10^{23}

So, 6.5\times 10^{23}\ \text{molecules} of oxygen is produced.

8 0
3 years ago
What is the equilibrium condition in which a gas holds all the water vapor molecules that it can?
faust18 [17]

The equilibrium state of a gas when it can hold all the molecules of water vapor is known as saturation.

<h3>Which three equilibrium conditions apply?</h3>

A solid substance subjected to three forces with divergent lines of action is in equilibrium if all three of the following three circumstances hold true:

  • Coplanar action lines are present (in the same plane)
  • The paths of action have come together (they cross at the same point)
  • These forces add up to a vector with a total of zero.
<h3>What are equilibrium's first and second conditions?</h3>

An object must satisfy two requirements of equilibrium in order to maintain static equilibrium.

  • First, there must be no net force acting on the item.
  • Second, there must be no net torque pulling on the object.

learn more aboute quilibrium condition here

<u>brainly.com/question/517289</u>

#SPJ4

7 0
2 years ago
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