10 point
Why do the elements get larger as you move from the top of the periodic
table to th...
10 point
Why do the elements get larger as you move from the top of the periodic
table to the bottom? *
More protons are added in the nucleus
The elements have more electron energy levels
They eat more candy bars
They don't - they actually get smaller moving from the top to the bottom
Answers: 3
Chemistry, 21.06.2019 18:00
Which type of reaction always has an element and a compound as reactants
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If 34.2 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 299 kelvin and 1.21 atmospheres? 2 li (s) + 2 h2o (l) yields 2 lioh (aq) + h2 (g)
Answers: 3
Chemistry, 22.06.2019 12:40
When 13.3 g koh is dissolved in 102.7 g of water in a coffee-cup calorimeter, the temperature rises from 21.4 Β°c to 31.53 Β°c. what is the enthalpy change per gram of koh (j/g) dissolved in the water? * take the density of water as 1.00 g/ml. * assume that the solution has a specific heat capacity of 4.18 j/g*k. enter to 1 decimal place. do not forget the appropriate sign /(+). canvas may auto-delete the (+) sign
Answers: 2
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