Suppose you wanted to monitor a pH change between 5.3 and 6.3. Which indicator would be most appropriate?

Which answers show the bonds in order of decreasing polarity (least polar to most polar) ? Group of answer choices P-Cl, As-Cl, N-Cl As-Cl, N-Cl, P-Cl P-Cl, N-Cl, As-Cl As-Cl, P-Cl, N-Cl N-Cl, P-Cl, As-Cl

If nathan can floss 100 times for 5 minutes what is his average speed

T Why don't the present shapes of the continents fit perfectly into a supercontinent

How many liters are in 6.42 moles of SO2 gas

What is the number of proton in chlorine?

Explain why many compounds that contain one or more hydrogen atoms are not classified as arrhenius acids

pure substance x is a green powder. when heated, it gives off a gas and changes to a black powder. is substance x an element or a compound? give reasons

What amount (moles) is represented by each of these samples? a. 20.0 mg caffeine, c8h10n4o2 b. 2.72 1021 mo?

A sample of gas occupies 40.0 mL at - 123°C. What volume does the sample occupy at 27°C if the pressure is held constant? V1T2 = V2T1 Don't forget to convert temperature to kelvin! Group of answer choices 8.80 mL 20.0 mL 80. ML 182 mL

How much Na2Co3 is needed to produce 35g of Na2Co3?