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Chemistry
| Question | Answer |
|---|---|
| science | |
| scientific law | describes things that are consistently and reproducibly observed |
| scientific theory | an experimentally tested explanation of an observed behavior |
| chemistry | study of matter and its changes |
| matter | anything that has mass and occupies space |
| accuracy | how close a measured value is to a true value |
| precision | measure of reproducibility |
| chemical change | any change that results in forming new chemical substances |
| physical change | chemical change that results in forming new chemical substances |
| density | amount of mass contained in a given volume |
| specific heat | |
| using water (H2O) as an example, describe the molecular changes that take place as it changes from liquid to solid | |
| (chemical or physical) dissolving salt (NaCl) in water | chemical change because the sodium and chloride seperate |
| (chemical or physical) dissolving sugar in water | physical change because the sugar simply dissolves |
| (chemical or physical) burning a log in a camp fire | chemical change because the logs bonds are breaking |
| (chemical or physical) making steam in a sauna | physical change because the water is getting turned into a vapor |
| (quantitative or qualitative) a patient has a hemoglobin of 12.5 g/dl | quantitative because it has a specific number |
| (quantitative or qualitative) a patients urine is turbid | qualitative because it describes how it looks |
| (quantitative or qualitative) ketones of 2-4 mmol/L in a urine stick test | |
| (quantitative or qualitative) a patient's weight in lb | |
| (mass, length, volume, energy, temp) pounds | mass |
| (mass, length, volume, energy, temp) kilojoules | energy |
| (mass, length, volume, energy, temp) microliters | volume |
| (mass, length, volume, energy, temp) kelvin | temp |
| (mass, length, volume, energy, temp) gallons | volume |
| (mass, length, volume, energy, temp) degrees celsius | temp |
| (mass, length, volume, energy, temp) milligrams | |
| (mass, length, volume, energy, temp) calories | energy |
| 285 K into C (do math) | 11.85 degrees Celsius |
| 20 degrees F into C (do math) | -6.7 degrees Celsius |
| 37 degrees C into K (do math) | 310.15 Kelvin |
| 100 degrees F into K (do math) | 310.93 Kelvin |
| number of sig figs in 12.03 mg/dl | 4 |
| number of sig figs in 100.050 mg of NaCl | 5 |
| number of sig figs in 5.0*10^3 moles of Ca++ | 1 |
| number of sig figs in 0.5 l of saline solution per hour | 1 |
| (scientific notation) 5.5*10^3= | 5500 |
| (scientific notation) 5.5*10^-3= | 0.0055 |
| (scientific notation) 55000= | 5.5*10^4 |
| (scientific notation) 4873= | 4.873*10^3 |
| (scientific notation) 2.835*10^2= | 283.5 |
| (scientific notation) 5.3*10^-5= | 0.000053 |
| (scientific notation) 2.004*10^-1= | 0.2004 |
| (convert measurement) 250 lb into Kg (do math) | 113.4 Kg |
| (convert measurement) 0.54 Kg into mg (do math) | 540,000 mg |
| (convert measurement) 3.76 qt into mL (do math) | 3558.3 mL |
| (convert measurement) 670 mL into L (do math) | 0.67 L |
| difference between chemistry, organic chemistry, biochemistry | chemistry= study of matter and its changes organic chemistry= study of the chemistry of carbon biochemistry= study of chemistry of living things |
| naloxone is a drug used in emergency rooms to treat narcotic overdoses. for children, the recommended dosage of naloxone is 0.010 mg/kg of body weight. what dosage (mg) should be prescribed for a 12 kg child? | |
| naloxone is sold in quantities of 0.40 mg/mL. how many milliliters of the drug should be administered to a 12 kg child? | |
| Celsius to fahrenheit | F=(C*1.8)+32 |
| Fahrenheit to celsius | C=F-32/1.8 |
| Celsius to kelvin | K=C+273.15 |
Created by:
KimBriann
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