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sasho [114]
3 years ago
5

What experimental evidence led to the development of this atomic model from the one before it?

Chemistry
1 answer:
Andrews [41]3 years ago
8 0

Answer: oof... I worked on atoms last year+ too dumb to remember

Explanation:

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Calculate the percentage by mass of titanium in liemenite
inysia [295]
FeO·TiO₂

w(Ti)=M(Ti)/M(FeO·TiO₂)

w(Ti)=47.88g/mol/151.73g/mol=0.3156 (31.56%)
8 0
3 years ago
An iron ball is dropped onto a pavement from a height H. If half of the heat generated goes into warming the ball, find the temp
mr Goodwill [35]

The given question is incomplete. The complete question is as follows.

A 10 kg iron ball is dropped onto a pavement from a height of 100 m. If half of the heat generated goes into warming the ball,find the temperature increase of the ball. (In Sl units, the specific heat capacity of iron is 450 J/kg.C degree).

Explanation:

In the given case, when the ball comes in contact with the pavement then its kinetic energy will be equal to potential energy of the ball before it was dropped. Half the K.E heats the ball.

As K.E = P.E = mgh

So, mgh = 10 \times 10 \times 100 = 10,000 joules

And, half of this is 5,000 joules

As we know that

             Q = m \times C \Delta T

          5000 = 450 \times 10 \times \Delta T

\Delta T = \frac{5000}{4500}

              = 1.11 degrees

Also, in the given situation

          \frac{mgh}{2} = m \times C \times \Delta T

Since there is an m on both sides of the equation, we will divide both sides by m  and the resulting equation will be as follows.

        \frac{gh}{2} = c \times \Delta t

As, the result is independent of mass which is why the result is the same for any ball of any mass.

4 0
4 years ago
Aluminum chlorate<br> +<br> barium sulfate → aluminum sulfate + barium chlorate
Virty [35]

Balanced equation

2Al(ClO₃)₃ + 3BaSO₄⇒ Al₂(SO₄)₃ + 3Ba(ClO₃)₂

<h3>Further explanation</h3>

Given

Word equation

Required

Chemical equation

Solution

Chemical equations can be expressed in

  • word equation
  • skeleton equation
  • balanced equation

Aluminum chlorate = Al(ClO₃)₃

Barium sulfate = BaSO₄

Aluminum sulfate = Al₂(SO₄)₃

Barium chlorate = Ba(ClO₃)₂

  • Skeleton equation

Al(ClO₃)₃ + BaSO₄⇒ Al₂(SO₄)₃ + Ba(ClO₃)₂

  • Balanced equation

2Al(ClO₃)₃ + 3BaSO₄⇒ Al₂(SO₄)₃ + 3Ba(ClO₃)₂

6 0
3 years ago
What is the Ground state electron configuration for lead?
notsponge [240]

Answer:

Lead atoms have 82 electrons and the shell structure is 2.8. 18.32. 18.4.

Explanation:

The ground state electron configuration of ground state gaseous neutral lead is [Xe].

3 0
4 years ago
What are the parts of this water wheel system?Label the water wheel to show the matter and forms of energy that flow through the
Setler79 [48]

Answer:

Water, wheel and paddles or bucket are the parts and mechanical energy is produced.

Explanation:

The parts of water wheel system are water, wheel and paddles or bucket. The main purpose of water wheel system is to generate useful energy by using the flowing or falling of water on the wheel. We use this water wheel system for the conversion of kinetic energy into mechanical energy such as water mill or hydroelectric plant in which the blades movement is responsible for the generation of electricity.

6 0
3 years ago
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