< Question 3 of 6 306 > ) How many picograms are in 6.39 x 10-"g? 6.39 x 10-11 How many micrometers are in 2.85 x 10m ? 2.85 x 10-5 m How many kilovolts are in 1.90 x 10' V? 1.90 x 10 V- How many nanoliters are in 6. 6.77 x 10-19
Question 16 (4 points) How many polynomials of degree 4 are there in Z_5[x]? A/ Question 17 (4 points) How many monic polynomials of degree 4 are there in Z_5[x]? A
Question 4 How many moles are in 45g of S? 1,444 O 8.7 x 10^27 o 1.4 7.5 10^-23
was wondering are these answers right ? QUESTION 10 How many grams does 0.500 moles of copper (1) bromide weigh? 71.58 QUESTION 11 How many grams are there in 1.60 x 1024 molecules nitrogen dioxide, NO2? 122.28 QUESTION 12 How many grams are there in 2.30 x 1024 atoms of silver?
Question 11 An antique spoon is to be silver-plated. How long will it take to plate 21.4 g of Ag (atomic mass=107.9 g/mol) from a solution of AgNO3 using a current of 10.0 amp? a. 63.8 min b. 31.9 min O c. 161 min Od 1.15 x 105 min O e. 80.4 min Moving to another question will save this response. Question 12 A 25.0 ml sample of 0.20 M Formic Acid (HCO2H, aq) is titrated with 0.10 M KOH(aq)....
c. 6.0 × 10-10 d. 4.4 x 1014 ·5 × 10-11 42 8. How many grams of Mn(OH)s will dissolve in 1350 ml. of water at 25° K-1.0x 1036 4.6 × 10-8 g 6.3 x 10 g c. 5.9x 1010 g d. 1.4 x 107g e. 9.3 x 107g - 10 D15-10
Remaining Time: 44 minutes, 22 seconds. Question Completion Status: QUESTION 11 How many cg are in 3.5x 10 3.5 x 10-1 cg 3.5 x 10-7 cg 3.5 x 102 cg 3.5 x 105 cg 3.5 x 103 cg QUESTION 12 ator anale hoomamimillimaran t osa all me Submit to save and submit Chat Sa A
The equation is 9. Find a general solution x(t) of the equation in example 6 (week 10) when nl-1 . k-10 and the driving force f(t)-1-t, 0 < t < 2, f(t + 2) = f(t) d xia 9. Find a general solution x(t) of the equation in example 6 (week 10) when nl-1 . k-10 and the driving force f(t)-1-t, 0
Question 4 5 pts How many grams are contained in 2.75 x 1020 carbon atoms? O 5.48 x 10-3gC O 1.82 x 10 g 2.63 x 1080 O 3.81x 10sgC
how many atoms are in 1.2 mol of carbon Question 4 of 22 How many atoms are in 1.2 mol of carbon? atoms Question 6 of 22 Determine the molar mass of CH3OH. g/mol 1 2 3 Tue Oct 29 Question 8 of 22 How many atoms of vanadium are in 1.28 grams of vanadium ADD FACTOR RESET ANSWER Question 11 of 22 What is the mass percentage of Clin hydrochlorothiazide, C3H2CIN30.SZ? 1 % 1 2 3