An instrument plays a frequency of 266 Hz. Another identical instrument plays a frequency of 400 Hz. How does the wavelength of each of these sound waves compare? Multiple choice question.

A)
The wavelength of 266 Hz is more than wavelength of 400 Hz.

B)
The wavelength of 266 Hz is less than wavelength of 400 Hz.

C)
The wavelength of 266 Hz is same as wavelength of 400 Hz.

D)
There is no relation between wavelength and frequency.

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?

Choose an equation that represents an enzyme-catalyzed reaction. (a) enzyme + substrate → enzyme-substrate complex (b) enzyme + substrate ←−→ enzyme + products (c) enzyme + substrate ←−→ enzyme-substrate complex → enzyme + products (d) enzyme + substrate ←−→ enzyme-substrate complex → enzyme-substrate complex + products

Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]