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  2. Teaspoon - Wikipedia

    en.wikipedia.org/wiki/Teaspoon

    A teaspoon (tsp.) is a small spoon that can be used to stir a cup of tea or coffee, or as a tool for measuring volume. [1] [2] The size of teaspoons ranges from about 2.5 to 7.3 ml (about 0·088 to 0·257 imperial fluid ounce or 0·085 to 0·247 US fluid ounce).

  3. Alcohol measurements - Wikipedia

    en.wikipedia.org/wiki/Alcohol_measurements

    473.18 mL: 1 US pt = 16 US fl oz: 16.65 imp oz: 1 US pint. pint (imp.) 568.26 mL: 19.2 US fl oz: 1 imp. pt = 20 imp oz: Beer sales in Britain and the Commonwealth are based on multiples of 1 ⁄ 3, 12, and full imperial pints. [note 2] Imperial-measure glasses were 568 mL, and metric-measure glasses round up to 570 mL. Beer bottles in the ...

  4. Tablespoon - Wikipedia

    en.wikipedia.org/wiki/Tablespoon

    = 4 metric teaspoons, 1 metric teaspoon = 5 ml each ≈ 5.63 British imperial fluid drachms ≈ 0.7 British imperial fluid ounce ≈ 1.41 UK tablespoons ≈ 2.82 UK dessert spoons: ≈ 4.12 UK teaspoons: ≈ 11.26 UK salt spoons: ≈ 22.52 UK pinches (solids only) ≈ 337.87 UK drops (liquids only) ≈ 5.41 US customary fluid drams: ≈ 0.67 US ...

  5. Sample-rate conversion - Wikipedia

    en.wikipedia.org/wiki/Sample-rate_conversion

    Audio on Compact Disc has a sampling rate of 44.1 kHz; to transfer it to a digital medium that uses 48 kHz, method 1 above can be used with L = 160, M = 147 (since 48000/44100 = 160/147). [5] For the reverse conversion, the values of L and M are swapped. Per above, in both cases, the low-pass filter should be set to 22.05 kHz.

  6. Pinch (unit) - Wikipedia

    en.wikipedia.org/wiki/Pinch_(unit)

    1 UK pinch = ⁠ 1 / 16 ⁠ UK tablespoon = ⁠ 1 / 8 ⁠ UK dessert spoon = ⁠ 1 / 4 ⁠ UK teaspoon = ⁠ 1 / 2 ⁠ UK salt spoon: ≈ 0·06: US customary tablespoon: ≈ 0·09: US customary dessert spoon: ≈ 0·18: US customary teaspoon: ≈ 0·36: US customary coffee spoon ≈ 0·72: US customary salt spoon ≈ 1·44: US customary dashes ...

  7. Division (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Division_(mathematics)

    For example, 20 apples divide into five groups of four apples, meaning that "twenty divided by five is equal to four". This is denoted as 20 / 5 = 4 , or ⁠ 20 / 5 ⁠ = 4 . [ 2 ] In the example, 20 is the dividend, 5 is the divisor, and 4 is the quotient.

  8. Molar concentration - Wikipedia

    en.wikipedia.org/wiki/Molar_concentration

    m(NaCl) = 2 mol/L × 0.1 L × 58 g/mol = 11.6 g. To create the solution, 11.6 g NaCl is placed in a volumetric flask, dissolved in some water, then followed by the addition of more water until the total volume reaches 100 mL. The density of water is approximately 1000 g/L and its molar mass is 18.02 g/mol (or 1/18.02 = 0.055 mol/g). Therefore ...

  9. Mental calculation - Wikipedia

    en.wikipedia.org/wiki/Mental_calculation

    The products of small numbers may be calculated by using the squares of integers; for example, to calculate 13 × 17, one can remark 15 is the mean of the two factors, and think of it as (15 − 2) × (15 + 2), i.e. 15 22 2.