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A patient receives 220 mL of a 3.0 % (m/v) amino acid solution twice a day.
How many grams of amino acids are in 220 mL of solution?
How many grams of amino acids does the patient receive in 1 day?
Problem- What is the specific activity (in Bq/g) if 4.51 kg of an isotope emits 3.77x10^-7 B- particles per minute? Enter your answer in scientific notation.
Consider the formation of nitrogen dioxide from nitric oxide and oxygen: 2NO(g) + O2(g) -> 2NO2(g) If 9.0L of NO are reacted with excess O2 at STP, what is the volume in liters of the NO2 produced?
Which elements exist as molecular species in their most stable states at 25 degrees C and 1 atm? iodine, magnesium, sulfur, cesium, carbon, oxygen, phosphorus, neon
Acetone, C3H6O, and ethyl acetate, C4H8O2, are organic liquids often used as solvents. At 30 degrees C, the vapor pressure of acetone is 285 mmHg and the vapor pressure of ethyl acetate is 118 mmHg.
A molecule with a chiral center must be optically active whereas a molecule with two chiral centers may or may not be optically active. Explain and provide examples.
Calculate the entropy change when 5.00 mol of argon expands reversibly at constant temperature (298 K) from a pressure of 10.0 to 1.00 atmospheres. Assume ideal gas behavior
determine the total amount of heat absorbed by 100.0 grams of water at its boiling point 100 celsuis to chang from
Blood contains several substances that minimize changes in its acidity by reacting with either an acid or a base. One of these is the hydrogen phosphate ion, HPO42-.
What range of pH is suitable for this kind of buffer? Calculate the ratio of phosphoric acid to phosphate to gice you pH .= 6.8
Calculate the partial pressure of each gas in the container. Express the pressure values numerically in atmospheres, separated by commas.
A certain reaction has activation energy of 29.34 kJ/mol explain at what Kelvin temperature will the reaction proceed 3.50 times faster than it did at 297 K
How would the geometry of the product (isoborneol) change (OH in an endo or exo position) if all the methyl groups of camphor were replaced with H
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