Chemistry, 09.07.2019 13:30, sayedabdullah
An unknown material has a mass of 6.75g and a volume of 9 cm3. what is the density of the material? round to the nearest tenth. a. 0.7 g/cm3 b.0.8 g/cm3 c. 8 g/cm3 d.1.3 g/cm3 answer asap
Answers: 1
Chemistry, 21.06.2019 20:30, mayamabjishovrvq9
1. calculate the approximate enthalpy of the reaction in joules. estimate that 1.0 ml of vinegar has the same thermal mass as 1.0 ml of water. iqnore the thermal mass of th sodium bicarbonate. note: it takes about 4.2 joules () to change 1.0 gram (1.0ml) of water 1.0 c
Answers: 2
Chemistry, 22.06.2019 13:50, amandamac7339
Abeaker with 2.00Ă—102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.
Answers: 1
An unknown material has a mass of 6.75g and a volume of 9 cm3. what is the density of the material?...
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