A carbonated soft drink has a pH of 2.5. What is the concentration of $H^+$ ions in the soft drink? A. $3 \times 10^{-12} M$, B. $3 \times 10^{-3} M$, C. $4 \times 10^{-1} M$, D. $1 \times 10^{1} M$.

Generally, it is recommended that, in grinding hardened steels, the grinding be a wheel of a relatively soft grade. Explain.

On student day, group A students bought burgers and soft drinks. One team bought 5 hamburgers and 3 soft drinks and paid a total of $285. Another team bought, at the same prices, 2 burgers and 3 soft drinks and paid$150. How much did each burger cost and how much did each soda?

a) What are the unknowns of the problem? b) Algebraically represent the situation and solves it with the equating method. What are the values of x and y?

Compute the return-to-risk ratio (RTRR) for selling soft drinks and selling ice cream.

A recipe for pralines calls for the candy mixture to be heated until it reaches the "soft ball' stage, at about $236^{\circ} \mathrm{F}$. Can a Celsius thermometer with a range of -10 to $110^{\circ} \mathrm{C}$ be used to determine when the "soft ball" stage is reached?

Describe the difficulties that may be encountered in clamping a workpiece made of soft metal in a three-jaw chuck.

Find the scattering amplitude for low-energy soft-sphere scattering in the second Born approximation.

Most cola soft drinks have a $\mathrm{pH}$ of 3.1. Green tea has a $\mathrm{pH}$ of $5.8$ (a) Calculate $\left[\mathrm{H}^{+}\right]$for the cola soft drink and green tea. (b) How much more acidic is a cola soft drink than green tea? Express your answer as a ratio of $\left[\mathrm{H}^{+}\right]$(cola) to $\left[\mathrm{H}^{+}\right]$(green tea).

The vowels a, o, and u after the letter g indicate the "hard" sound of g, as in garrulous, gob, and guide. The vowels i and e after g often indicate the "soft" g sound, as in prodigious and generous. Determine whether the g of the word managed is hard or soft.

Something likely to be injurious a. a sunburn b. light stretching c. enough rest d. soft cushions

Latex is a soft, stretchy, rubber-like material. Would you expect latex to be crystalline or amorphous?

The fine, soft hair of a newborn is called:

a. alopecia

b. lanugo

c. vitiligo

d. striae

Why is recycled PET not more widely used to make new soft drink bottles ?

a. Why is diamond so hard and strong? b. Why is graphite so soft and easy to break apart?