Use the drop-down menus to complete the
corresponding cells in the table to the right.
A...
Chemistry, 05.05.2020 05:22 Dragonskeld
Use the drop-down menus to complete the
corresponding cells in the table to the right.
Alpha
Decay
Beta Decay
Gamma
Decay
Type of
emission
electron or
positron
Penetrating
power
lowest
D
Shielding
needed
thin metal
lead bricks
Answers: 2
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8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.
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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]
Answers: 1
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If e is the symbol for an element, which two of the following symbols represent isotopes of the same element? 1. e2. e3. ea.1 and 2c.1 and 4b.3 and 4d.2 and 3
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Which of these natural resources is non-renewable a.corn b.wind c.geothermal d.natural gas
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