Question 2. 1. The Du-Nuoy ring method employs a hollow ring with radius 10 mm to measure oil-water interfacial tension (IFT). Assume a perfectly wetting ring was used for the experiment (Figure 1). Figure 1: Du-Nuoy Ring used to measure interfacial tension a. In an experiment involving the measurement of liquid A – water IFT, the total weight measured by the instrument was 0.5 grams. The weight of the hollow ring used was 0.05 grams. Assuming a perfectly wetting ring, what is the IFT for liquid A-water in mN/m? b. If the experiment used a solid ring of weight 0.05 grams to measure liquid A-water IFT, what net force (in Newton) would the instrument measure? c. The hollow ring (used in part la) was used to measure liquid B – water IFT and the net weight measured by the instrument was now 0.2 grams. What is the liquid B – water IFT in mN/m? d. Can you comment on which liquid (A or B) is more miscible with water? Why? State any assumptions that you would make while performing this experiment.

A rod shaped virus has a diameter of 1*102 nm and a length of 5*102nm.What is the volume of the virus in units of μm3

Plot the graph T T^2(y-axin) Vs L. (X-axis) Show the straight line with data points. Label the Axés Show the equation of line on the graph + Use this equation to determine the slopeUse this slope Calcalate G Calculate % erro of G  can u help me doing this part

i can not figure this out. the answer i out was wrong

1A. A cylindrical tube 9.5 cm high and 0.85 cm in diameter is used to collect blood samples. How many cubic decimeters (dm³) of blood can it hold? The volume of a cylinder is given by ar?h,r = radius and h = length. 1B. A cylindrical rod formed from silicon is 16.8 cm long and has a mass of 2.17 kg. The density of silicon is 2.33g/mL. What is the diameter of the cylinder? Hint: the volume of a cylinder is given by ar?h, r = radius and h = length.

The question is whether these relationships are linear or non-linear, can you please inform me on how I'd be able to tell?

11. For à = 3i + j – k, B = −i + 2j + 5k, and C = 2j – 3k, find C. (A - B).

The total surface area of the United States is 9.6 x 106 km². Seventy-four percent of this land can support spiders. Given that there are approximately 5.0 × 104 spiders per acre, how many spiders are there in the Uni d States? Recall that 1 acre = 0.004 km2. Number i 8.75 *10^13 Units sniders

E11 is the question I'm struggling