The steps of the scientific method must be followed in order every time an experiment is carried out.
question 20 options:
true
false

Write a net ionic equation to show that hydrofluoric acid, behaves as an acid in water.

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397