Report your answer to the correct number of sig. figures.
a) 4.562 x 3.8567 / (45.672 – 45.33)
b) (25.65 mL + 37.4 mL)/(73.55 s (1 min/ 60 s))
Report your answer to the correct number of sig. figures. a) 4.562 x 3.8567 / (45.672...
Carry out the following conversions. Report your answer to the correct number of significant figures. (a) 102 m/s to ft/min × 10 ft/min (Enter your answer in scientific notation.) (b) 74.6 cm3 to in3 in3 (c) 47.4 g/mL to lb/in3 lb/in3
Which of the answers for the following conversions contains the correct number of significant figures? A)2.543 m x 39.4in/1m=100.1924in B)2 L x 1.06qt/1L=2.12 qt C)24.95 min x 1hr/60 min=0.4158 hr D)12.0 ft x 12in/1ft x 2.54cm/1in=370cm E)24.0 kg x 1lb/2.20kg=11lbthe answer is c but i dont understand why. i thought you round the answer based on the number of sig figs of the lowest measurement so why wouldn't D be the answer?
1. Calculate the answer to the following problem and report your answer with the correct number of significant figures. a) 1.449 b) 1.4 c) 1.4490 d) 1.45 e) 1.5 2. Lead has a density of 11.3 g/mL. The water level in a graduated cylinder initially at 15 mL rises to 85 mL after a piece of lead is submerged. What is the mass of the piece of lead? a) 25 g b) 170 g c) 790 g d) 6.2 g...
Be sure to answer all parts. Be sure to report your answer to the correct number of significant figures. Calculate AG and Kp for the following processes at 25°C: (a) H2(g) + Br2(1) 211B10 0 AG- k.I/mol x 10 (Enter your answer in scientific notation.) (b) , H2(g) + , Br2() HBr(g) 0 AG k.J/mol Кр Enter your answer in scientific notation.) × 10
Identify the number of significant figures (sig figs) in each of these values. 1 sig fig 2 sig figs 3 sig figs 4 sig figs 5 sig figs 200 0.020 2300 7.000 11020 0.05 89122 Answer Bank Incorrect
Be sure to answer all parts. Report your answer with the proper number of significant figures. Magnesium is used in lightweight alloys for airplane bodies and other structures. The metal is obtained from seawater in a process that includes precipitation, neutralization, evaporation, and electrolysis. How many kilograms of magnesium can be obtained from 7.00 km3 of seawater if the initial Mg2+concentration is 0.15% by mass? (d of seawater = 1.04 g/mL) I got 1.06 x 10^14 not right
correct sig fig number please! Question 49 (1 point) A student runs the reaction below starting with 53 grams of ammonia (NH3). How many grams of water should form? 4 NH3 + 5 O2 - 4 NO + 6 H20 NH3 molar mass = 17.04 g/mol H20 molar mass = 18.02 g/mol Report your answer with the correct number of significant figures. Your Answer: I Answer units Question 50 (1 point) When 6.23 grams of an unknown metal is heated...
Calculate and express your answer to the correct number of significant figures (1.00866 - 1.00728)/6.02205 x 10^23
Perform the following indicated operation. report the answer to the correct number of significant figures. 0.00521+0.236
Be sure to answer all parts of the question. Report your answer to the correct number of significant figures. The fictitious complex M(SCN), can be produced from an aqueous equilibrium in which the M2+ ion is mixed with thiocyanate ion. A solution containing initial concentrations of MP and SCN are 0.000100 M and 0.000100 M respectively has an equilibrium concentration of M(SCN), of 1.00 10 M. What are the equilibrium concentrations of the two starting ions and what is the...