Chemistry Formulas Flashcards by Chelssie Niro

Q

Formula for Density

A

Mass/Volume

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Q

Formula for Mass

A

Density x Volume

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Q

Formula for Volume

A

Mass / Density

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Q

Old way to convert measurement

A

(k, h, da, u, d, c, m, h)

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Q

I m to cm

A

100 cm

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Q

I m to mm

A

1000 mm

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Q

1 cm to in

A

0.3937 inches

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Q

1 inch to cm

A

2.54 cm

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Q

1 km to miles

A

0.6213 miles

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Q

1 mile to km

A

1.609 km

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Q

1 kg to grams

A

1000 grams

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Q

1 kg to lb

A

2.20 pounds

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Q

1 lb to g

A

453.59 g or 454 g

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Q

1 gallon to L

A

3.785 L

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Q

Temperature units

A

Celsius, Fahrenheit, Kelvin scale

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Q

Celsius to Fahrenheit

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A

(C +1.8) + 32

Q

Fahrenheit to Celsius

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A

(F - 32) / 1.8

Q

Celsius to Kelvin Scale

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A

C + 273

Q

Specific Heat Formula

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A

Q = mc 🔺T

Q

How do you find mass in specific heat?

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A

m = Q/c🔺T

Q

How do you find temperature in specific heat?

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A

🔺T = Q/mc

Q

1 joules to kg and calories

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A

1kg m^2/s^2
0.23901 calorie

Q

1 calorie to joules

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A

4.184 joules

Q

Specific heat of Selected Substances of Water

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A

Specific Heat (J/g C): 4.184
Specific Heat (cal/g C): 1.000

Aluminum Specific Heat

Specific Heat (J/g C): 0.900 Specific Heat (cal/g C): 0.215

Iron Specific Heat

Specific Heat (J/g C): 0.473 Specific Heat (cal/g C): 0.113

1 ft to in

12 inches

1 oz to grams

28.3 g

What is the formula of wavelength /)

/) = c / v (frequency) /) = hc / E

What is the formula for frequency?

E = v (frequency) E / h = v = c / /)

What is the formula for energy?

E = hv E = hc / /)

What is the value of the speed of light (c)?

3.00 x 10^8 m/s

What is the value of Planck's constant (h)?

6.626 x 10^-34 Js

1 mol = how many photons

6.02 x 10^23 photons

1 yd to cm

91.44 cm

What is Bohr's equation?

E = -2.18 x 10^-18 ( 1/n^2 (f) - 1/n^2 (i) )

What is Rydberg's equation?

1//) = 1.097 x 10^7 m ^-1 (1/n^2 - 1/n^2)