Chemistry

Chemistry, 28.06.2019 14:20, leo4687

At stp, 32.0 liters of o2 contains the same number of molecules as what element?

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Chemistry, 01.08.2019 01:00, tadams9922

Note: moles to grams, or grams to moles you will need to use molar mass (g/mol).1)how many moles are in 20.2 g hcl? 2) how many grams are in 2 moles of hcl? note: when converting from moles to molecules, you need the following: 1 mole = 6.022 x 1023 molecules 3) how many molecules are in 23 moles of sodium? 4) how many moles are in 8.022 x 1026 molecules of nacl? note: 1 mole = 22.4 l 5) how many moles are in 5 liters of h2 gas? 6) how many liters are in 5 moles of h2 gas? multiple conversions in one problem. 7) how many grams of hcl will be produced with 16.2 grams of h2 and excess cl2? (h2 + cl2 -> 2hcl) 8) how many liters are there in 46 g of cl2 gas?

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Mathematics, 26.08.2019 03:30, kennedy5550

It takes more time to heat 100 liters of water than 10 liters of water because the boiling point increases with an increase in volume the boiling point decreases with a decrease in volume there are more molecules to heat in 100 liters than in 10 liters the molecules are closer together in 100 liters than in 10 liters

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Chemistry, 10.10.2019 18:30, jeronimo18

Which sample at stp has the same number of molecules as 5 liters of no2(g) at stp? (1) 5 grams of h2(g) (2) 5 liters of ch4(g) (3) 5 moles of o2(g) (4) 5 × 1023 molecules of co2(g)

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Biology, 02.11.2019 19:31, ajay67

Science , anyone? (30 pts ) how does adding heat impact the speed and arrangement of molecules in an ice cube? molecules speed up and molecules can move and slide past each other. molecules slow down, causing their bonds to break. they can now move all about. causes some molecules to disappear, making the ice cube fall apart. which particle has a positive charge? electron neutron proton for each element on the periodic table, the atomic mass tells you the total number of protons and electrons the total number of protons and neutrons the total number of electrons and neutrons as you go from left to right on a row on the periodic table, the number of protons of each element decreases increases when atoms share electrons, they form. a covalent bond an ionic bond

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At stp, 32.0 liters of o2 contains the same number of molecules as what element?...

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