1. Measuring the Length
* 1m = 1000cm = 1x102cm
* 1m= 1000mm = 1x103mm
* 1cm = 10mm = 1x101mm
2. Measuring the Volume
* 1L = 10dL = 1x101dL
* 1L = 1000mL = 1x103mL
* 1dL = 100mL = 1x102mL
* 1mL = 1cm = 1cc These are all the same (Notations)
3. Measuring the Mass
* 1Kg = 1000g = 1x103g
* 1g = 1000mg = 1x103mg
* 1mg = 1000µg = 1x103µg

Writing the Conversion factors
To convert you will have to put one in the Numerator and Denominator Example.
1hr = 60min
60min1hr or 1hr60min
60min per 1hr or 1hr per 60min

Example.
1lb = 454g
454g1lb or 1lb454g
Example.
1 tablet = 500mg of vitamin C
500mg of vitamin C/ 1 tablet
1 tablet/ 500mg of vitamin C

Example.
164lb kg = ?
Given unit (x) one or more conversion factors = Needed Unit (will always be in the numerator) 164lb x 1kg2.20lb =
164 (x) 1kg2.20 =
74.5454kg (74.5kg)

...1. Which equation below represents the quadratic formula?
*a. -b±b2-4ac2a = x
b. a2+b2=c2
c. fx=a0+n=1∞ancosnπxL+bnsinnπxL
2. Which of the following represents a set of parallel lines?
a. Option one
b. Option two
*c. Option three
3. What is the definition of an obtuse angle?
*a. an angle greater than 90°
b. an angle equal to 90°
c. an angle less than 90°
4. Which formula below represents the area of a circle?
a. A=2πr
*b....

...velocity of the stream using Equation 1.
(Eqn. 1)
Where is the flowrate in m3/s and A is the cross-sectional area of the pipe. To find the flowrate, we multiply the flowmeter reading by the constant
and convert from gallons to cubic meters as follows:
The cross sectional area of the 7.75mm pipe is
Plugging these values into Equation 1, we obtain a bulk velocity .
With the bulk velocity value, we can find the Reynolds number of the flow using...

...Calorimetry Equations
Monday, October 28, 2013
12:00 PM
TOOL BOX
q=mc∆T
Water sp. Heat
Calorimetry : the measurement of energy (calorie)
Calorimeter : tool used to measure energy by Measuring the change in temperature
Equation :
q=mc∆T
What is the difference between Calorimetry and Calorimeter?
Quantity of
Energy (Cal.)
Mass
(g)
Specific heat (given) (Cal/g)
Change in temperature (℃ )
(End-short)...

...Upstream: 60 = 6(b-c)
Downstream: 60 = 3(b+c)
There are now two separate equations: 60 = 6b - 6c and 60 = 3b + 3c
Solve both equations for b: b = 10 + c b = 10 - c
Now make both equations equal each other and solve for c: 10 + c = 10 - c 2c = 0 c = 0
The speed of the current was 0 mph Now, plug the numbers into one of either the original equations to find the speed of the boat in still water.
I chose the first...

...Why It Couldn’t Be
The short story Cold Equations by Tom Godwin takes place on a ship called EDS. The space cruiser is piloted by a man named Barton. He has an order of killing the stowaway who snuck onto the ship because the weight on the EDS is too much for the ship to handle. In the process of hunting down the stowaway, he realizes it was a young innocent girl named Marilyn. Once Barton understands what kind of person Marilyn is, he doesn’t kill her immediately because he...

...DIFFERENTIAL EQUATIONS
2.1 Separable Variables
2.2 Exact Equations
2.2.1 Equations Reducible to Exact Form.
2.3 Linear Equations
4. Solutions by Substitutions
2.4.1 Homogenous Equations
2.4.2 Bernoulli’s Equation
2.5 Exercises
In this chapter we describe procedures for solving 4 types of differential equations of first order, namely, the class of...

...16 Na2CO3
17 Ca(OH)2
18 CuSO4
19 2NH3
20 O2
21 FeSO4
22 43Al2(SO4)3
% Composition of an element in a compound
If you want to find out the percentage of an element in a compound you can use the following equation:
% Mass = Ar x the number of atoms (of that element) x 100
Mr (of the whole compound)
E.g. Find the % nitrogen in NH4NO3
% N = (14 X 2) X 100
80
= 35%
Try the following (see Ar values page 3, if any...

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