Chemistry, 28.09.2020 01:01 paigeisawesome

Which substance is an element? A. Methane (CH4) B. Baking Soda aka Sodium Bicarbonate (NaHCO3) C. Einsteinium (Es) D. Bleach aka Sodium Hypochlorite (NaClO)

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 11:00, Usman458

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?

Answers: 1

continue

Chemistry, 22.06.2019 14:00, hammackkatelyn60

The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.

Answers: 3

continue

Chemistry, 22.06.2019 14:10, cameronbeaugh

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.

Answers: 1

continue

Chemistry, 22.06.2019 16:50, brandiwingard

What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume

Answers: 2

continue

You know the right answer?

Which substance is an element? A. Methane (CH4) B. Baking Soda aka Sodium Bicarbonate (NaHCO3) C. Ei...