Meaningful digits are known as significant figure.
3. (1 pts) How many significant figures in the following a) 350.0452 b) 0.004500 4. (2...
1. [2 pts] Solve for x in the below expressions. How many significant figures are there in the values of x? a) x = 21.00 cm - 20.19 cm b) x = (12.0cm) c) x = (6.9 cm)(2.40 cm) d) x=(16.2 g +1.4 g)/(11.2 cm)
Question 3 4 pts How many significant figures should be in your answer when you convert 0.04070 m to units of nm? Question 4 4 pts Which of the following should exist as separated ions when dissolved in water? OBr2 CCH CH3CH OH • H₂O₂ KNO, auntini
Please answer both!!! Question 1 1 pts How many millimoles of tert-butyl chloride will be present in each reaction? 3,000 Question 2 1 pts How many millimoles of hydroxide ion will be present in each reaction? 7.000 Page < 3 > of 4 - ZOOM GENERAL PROCEDURE 1. Obtain a 5 ml graduated pipet with a bulb, a thermometer, and a stopwatch. Obtain twelve test tubes in a rack from the cart in the laboratory. 2. Pipet 3 ml (5...
Indicate how many significant digits ore in each of the following numbers. a. 0 00160 b. 8.40 times 10^-4 c. 10,100. d. 1001.00 Perform the following calculations to the correct number of significant digits. a. (1.1289 + 2.3400)/(1980 times 2.00) 6. (2 76 times 10^3-7.77 times 10^-1)/(45 + 23.47) c. (242.89X0.00671) d. 45.98 - (11.6)^4 3. Perform the following conversions. a. 90.9 cm to km b. 5.55 times 10^-Gm to pm c. 1125 km^3 to mL\",
4. (20 pts) You place 150 mL of water at 400C in the refrigerator. How much energy does the refrigerator remove from the water to make ice at 00C? (Note 1: 1 mL H20= 1 cm2 = 1 g. Note 2: See Table 4.4 in your text, along with the subsequent example.) 4. (20 pts) You place 150 mL of water at 40C in the refrigerator. How much energy does the refrigerator remove from the water to make ice at...
f. 6.022 X 1023 mol 2. Perform the following calculations and report your results to the correct number of significant figures a.212.2+26.77 402.09 6-1 b. 52.331 +26.01-0.998173 ande. (64,04-2.91)/(18.7-17)-11ae5F 24 d. (1.00866 -1.728)/(6.02205 x 10)- -1 195 Xlo e. (6.6262 x 1034, 2.998 x 108)/ (2.54 x 10°)- Lo 1,99745 x 10-25 3. Using dimensional analysis, perform the following conversions and report your results to the correct number of significant figures (centi 102; milli 10: micro 10; nano 10; pico...
4. (20 pts) You place 150 mL of water at 400C in the refrigerator. How much energy does the refrigerator remove from the water to make ice at 0OC? (Note 1: 1 ml H0 = 1 cm = 1g. Note 2: See Table 4.4 in your text, along with the subsequent example.)
7. The physician ordered: Digoxin 250 mcg po qid. The label reads 1 tablet equals 0.25 mg. How many tablets will you administer to your patient? 8. The nonsteroidal medication naproxen (Naprosyn) has been prescribed for a patient, 1375 mg/day in divided doses. Each tablet contains 0.275 g. How many tablets equal this daily dose? 9. The label reads Heparin Sodium 10,000 USP Units/mL. The order is for Heparin 6,000 U q6h sc. How many milliliters will you administer to...
i need help with my biology lab Length 1 km = 1,000 m 1m = .001 km 1m = 100 cm 1 cm = .01 m Weight 1 kg = 1,000 1g-,001 kg 1g - 100 g 1 cg=.018 18 = 1,000 mg 1 mg = .001 g Volume 1 kL = 1,000 L 1L = .001 Ki 1L = 100 CL 1 cl = .01L 1 L = 1,000 mL 1 mL = .001 L 1 mm = .001...
How many significant figures are in the following quantity: 0.00654 s a. 1 b. 2 c. 3 d. 4