a. positively charged.
Chemistry, 05.02.2020 10:51 bekahmalcom19
If an object contains more electrons than protons, it is said to be
a. positively charged.
b. neutral.
c. negatively charged.
d. energized.
Answers: 1
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The reaction q+r2=r2q is found to be first order in r2 and
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4. absorption has the highest risk of overdose due to increased potency. a. rectal b. oral c. transdermal d. intranasal
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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]
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Chemistry, 22.06.2019 18:30
The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false
Answers: 1
If an object contains more electrons than protons, it is said to be
a. positively charged.
a. positively charged.
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