Question 41 (1 point) Substance X is dull and brittle. It does not react with hydrochloric acid. Substance X
is probably a

The length of a vector arrow represents its magnitude and the point represents its direction true or false apex

Atank contains 240 liters of fluid in which 10 grams of salt is dissolved. brine containing 1 gram of salt per liter is then pumped into the tank at a rate of 6 l/min; the well-mixed solution is pumped out at the same rate. find the number a(t) of grams of salt in the tank at time t.

What are the 4 phases of matter in order of increasing engery content?