Can I Plz Have help?!?!?!? (Q1) What is the correct value for coefficient (A)?

A. 1

B. 2

C. 3

D. 4

(Q2) What is the correct value for coefficient (B)?

A. 1

B. 2

C. 3

D. 4

(Q3) What is the correct value for coefficient (C)?

A. 1

B. 2

C. 3

D. 4

(Q4)What is the correct value for coefficient (D)?

A. 1

B. 2

C. 3

D. 4

(Q5) If there is enough energy and H2, then how many moles of Sn02 will react with 2 moles of H2 and produce 1 mole of Sn and 2 moles of H2O? How many moles of SnO2 does this balanced equation represent?

A. 0.5

B. 1.0

C. 1.5

D. 2.5

(Q6)The reactants in this equation are _.

A. SnO2 and Sn

B. Sn and H2O

C. SnO2 and H2

D. H2 and H2O

(Q7)The products in this equation are _.

A. SnO2 and Sn

B. Sn and H2O

C. SnO2 and H2

D. H2 and H2O

(Q8)This reaction is _.

A. endothermic

B. exothermic

For questions 1 and 2, consider the following experimental data.hydrogen emission lines were detected at the following wavelengths (in nm): 121.6102.697.395.093.8question 1use the electromagnetic radiation classifications below and figure 1-1 in the introductory information for this lab (in the lab manual) to determine the nf value for the experimental data provided? wavelength, ? (nm) 650 700 550 600 400 450 500 visible spectrum wavelength, ? (m) 11 10 3 10 10 10 8 10 5 10 10 -10 10 9 10 10 10 10 -12 10 microwave radio infrared x-ray ultraviolet gamma 1020 1019 1018 1 1016 015 1014 01 12 109108 frequency, v (hz)a.1b. 2c. 3d. 4e. 5question 2using the data for the emission line with the longest wavelength, the known value of nf (from question 1 in this prelab), and the value of ni (deduced from the ? and nf values) calculate the rydberg constant for hydrogen (rh) in units of m-1.a) 1.097 x 10-11 m-1b) 5.921 x 107 m-1c) 1.097 x 10-2 m-1d) 9.252 x 106 m-1e) 1.097 x 107 m-1