Match the following measurements to their number of sig figs. 0.2030m 1. 5 0.0010L 2. 3...
Round the value 875.2763 to 1) 5 sig figs 2) 3 sig figs 3) 2 sig figs 4) 1 sig fig
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
Identify the number of significant figures (sig figs) in each of these values. Note: If any part of this question is answered incorrectly, a single red X will appear. 1 sig fig 2 sig figs 0.05 0.060 0.160 3 sig figs 4 sig figs 5 sig figs 70.0 8090.0 0.08006 4.050
perform each of following calculations and give answer with the correct number of sig figs (5x10-5) (1.05 x 104) (8.24x10-8) (4.25x10²) (2.56x10-3) (2.245x10-3) (56.5) s
2) a) Using the correct number of sig, figs., calculate the pH of a solution that has [H3O1 4.3 x 10-8 M (I pt.) b)) Classify this solution as acidic, basic, or neutral. (1 pt.)
3 sig figs ! KNETICS AND a rate law from Initial reaction rate data Tymor Some measurements of the initial rate of a certain reaction are given in the table below N2 H2 initial rate of reaction 158 105M3.0 192 M 1.05 M 1.58 M 3.78 M39.Ms .6 M/s Be sure your value for the rate constant has the correct number of significant digits. Also be sure your answer has the correct unit symbol, rate
Need answer is correct number of sig. figs. pls. P Ta 5. A sample of helium gas has a volume of 6.50 L at a pressure of 845 mmHg and a temperature 4R78 of 25 °C. Calculate the number of moles of gas in this sample. TI
the molar mass of Mn(OH)3 IS __G/MOL. (GIVE ANSWER 5 SIG FIGS)
The sample calculation of sodium hydroxide molarity for trial #1 is _M.(4 sig figs, no units, no scientific notation) The calculated average sodium hydroxide molarity is __ sig figs, no units, no scientific notation) M. (4) • Trial #1 • Mass KHP: 0.3063 • Initial burette reading: 0.0mL • Final burette reading 14.9mL • Trial #2 • Mass KHP: 0.312g • Initial burette reading: 0.4mL • Final burette reading: 15.5mL
Help with these practice problems please Dec 4. (20 pts) Convert the following,using proper sig figs. a. 473900 mg to kg b. 5.443 cm/sec to m/hrs 4. (S pts) In Canada the speed limit on a highway is 100. Km/hour per. what would that be in miles per hour? (1mile-1.609 5. (5 pts) Why is the concept of scientific notation important? 6. (8 pts) How many significant figures are in each number a. 342000 b. 0.0450 c. 21876. 8 planets...