Answers: 1
Chemistry, 21.06.2019 22:30
Which traits do human embryos have that link them to a common ancestor with fish and reptiles? a. scales and tail b. gill slits and scales c. tail and gill slits d. hair and tail
Answers: 2
Chemistry, 22.06.2019 09:00
What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.
Answers: 1
Chemistry, 22.06.2019 14:00
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
Chemistry, 22.06.2019 19:30
Which liquid (h2o, h2o + soap, or h2o + salt) has the strongest cohesion and adhesion? (need now plz)
Answers: 1
What happens during a physical change ? a. new substances are found b. the identity of the substanc...
Mathematics, 13.04.2021 20:00
History, 13.04.2021 20:00
Mathematics, 13.04.2021 20:00
Physics, 13.04.2021 20:00
English, 13.04.2021 20:00
Mathematics, 13.04.2021 20:00
Mathematics, 13.04.2021 20:00
Mathematics, 13.04.2021 20:00
Mathematics, 13.04.2021 20:00
Mathematics, 13.04.2021 20:00