HElp

how many milliliters of concentrated NaOH(19.3 M) are needed to make 8.00 L of 0.25 M base solution?

If 4.0 g of hydrogen and 10.0 g of oxygen are mixed according to the equation 2 H2 + O2 = 2 H2O, which is the limiting reagent?

When a solution is made from 1.0 g of KI and 90 mL of water, what is its molarity?

I wrote a 1 paragraph answer for one of my short answer questions and when I put it into grammarly, it says that there is significant plagiarism!! BUt I didnt plagiarize!! Now I am scared to turn it in. HELP

Consider the following scenario: A drought hits the habitat of a semi-aquatic bird population. All ponds dry up, and fish populations decline. There are two groups of birds in the population that differ in leg length and diet. Long-legged birds eat fish,...

IS it still considered plagiarism if I change the wording of something from a website?