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3 years ago

All systems have. A. Output and feedback. B. Process and function. C. input,process,and sensors.

Chemistry

2 answers:

zvonat [6]3 years ago

7 0

I think the Answer is C

schepotkina [342]3 years ago

5 0

The correct answer would be option C, Input, Processes and Sensors.

All systems have Input, processes and sensors.

Explanation:

From a perspective of a system, there are certain things that are necessary to run that system. These are Inputs, processes and Sensors.

Inputs are the things that are being put in the system to achieve or get the desired output.

Processes are the procedures that take the input, govern the system according to it and run it as desired.

Sensors are devices that convert non-electrical, physical or chemical quantity into an electrical signal.

Inputs, processes and Sensors, all work together to get the Output for which the system is developed.

Learn more about Systems at:

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List in ascending order the different layers of atmosphere, their heights, and main their features. Help please!!! :•)

Anika [276]

Answer:

Troposphere

Stratosphere

Mesosphere

Thermosphere

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Explanation:

These are all listed in ascending order, hope this helps!

6 0

3 years ago

Two iron balls of different mass are heated to 100°C and dropped in water. If the same amount of heat is lost by the two balls t

Kobotan [32]

Now we know that

Q = mc∆T

Where Q is y energy measured in Joules.

m is the mass measured in grams

c is the specific heat of the substance measured in joule per gram degree Celsius.

∆T is the change in temperature measured in degree Celsius.

Let Q1 be the specific heat of the lighter ball.

c1 be the specific heat of the lighter ball.

m1 be the mass of the lighter ball.

∆T1 be the change in the of the lighter ball.

Let Q2 be the specific heat of the heavier ball.

c2 be the specific heat of the heavier ball.

m2 be the mass of the heavierr ball.

∆T2 be the change in the of the heavier ball.

It has been given that the heat lost, that is Q is the same for both the balls of different mass.Which implies Q1= Q2

Specific heat(c) is the same for both the balls since both are made up of iron. c1=c2

Now heat lost by the lighter ball = heat lost by the heavier ball.

Q1= Q2

m1c1∆T1= m2c2∆T2

Since c1=c2

We get

m1/m2= ∆T2/∆T1

Thus we can say since m2>m1,∆T1> ∆T2.

Now initial temperature of both the balls are 100 degree Celsius.

∆T1 = Final temperature(T1 )-100.

∆T2= Final temperature ( T2)-100

Now since the ∆T1> ∆T2 as arrived from the above equation we can conclude that the final temperature of the ball 1 is greater than that of the ball 2. Since the ball 1 as per our assumption is the lighter ball,the final temperature of the ball which has lighter mass is greater than that of the one having a greater mass.

5 0

3 years ago

5. Write word equations for the following reactions

Andrews [41]

Answer:

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b) Carbon + Oxygen → Carbon dioxide

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6 0

3 years ago

How many moles are in 8.63 x 103 atoms of Li?

Ira Lisetskai [31]

<h3>Answer:</h3>

1.43 × 10⁻²⁰ mol Li

<h3>General Formulas and Concepts:</h3>

<u>Math</u>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

<u>Chemistry</u>

<u>Atomic Structure</u>

Using Dimensional Analysis
Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.

<h3>Explanation:</h3>

<u>Step 1: Define</u>

8.63 × 10³ atoms Li

<u>Step 2: Identify Conversions</u>

Avogadro's Number

<u>Step 3: Convert</u>

Set up: $\displaystyle 8.63 \cdot 10^3 \ atoms \ Li(\frac{1 \ mol \ Li}{6.022 \cdot 10^{23} \ atoms \ Li})$
Multiply/Divide: $\displaystyle 1.43355 \cdot 10^{-20} \ moles \ Li$

<u>Step 4: Check</u>

<em>Follow sig fig rules and round. We are given 3 sig figs.</em>

1.43355 × 10⁻²⁰ mol Li ≈ 1.43 × 10⁻²⁰ mol Li

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3 years ago

What is needed to change the state of matter

almond37 [142]

Heat is needed to change solid to liquid even to gas!

6 0

3 years ago

Read 2 more answers