Chemistry, 05.07.2019 14:00 abbyhammondd
Which statements correctly describe water boiling in a pot? 1.air bubbles from the atmosphere are being absorbed.2.the water’s internal kinetic energy is increasing.3 the water is gaining internal potential energy. 4.the water’s temperature is increasing. individual water molecules are escaping.
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Chemistry, 21.06.2019 21:30
Which substances have the lowest melting points: ionic covalent, or metallic
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Chemistry, 22.06.2019 18:00
Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]
Answers: 1
Chemistry, 23.06.2019 06:30
Aplanet similar to earth has four moons roughly the same distance away. the moon that will most affect tides on the planet is the one that has the greatest a) mass. b) volume. c) density. d) amount of water.
Answers: 1
Which statements correctly describe water boiling in a pot? 1.air bubbles from the atmosphere are b...
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