Chemistry, 30.09.2021 23:40 logan541972
You drip a liquid substance onto a metal plate. You hear a hiss, and see a gas rising from the spot where the liquid touches the metal plate.
What indicates a chemical reaction in this scenario?
the formation of a new gas
the hissing sound as the liquid touches the metal
the decrease in temperature as the liquid touches the metal
the liquid being in contact with a metal
Answers: 2
Chemistry, 21.06.2019 23:30
For the following dehydrohalogenation (e2) reaction, draw the zaitsev product(s) resulting from elimination involving c3Γ’β¬βc4 (i.e., the carbon atoms depicted with stereobonds). show the product stereochemistry clearly. if there is more than one organic product, both products may be drawn in the same box. ignore elimination involving c3 or c4 and any carbon atom other than c4 or c3.
Answers: 3
Chemistry, 22.06.2019 06:30
The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 β al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide
Answers: 3
Chemistry, 22.06.2019 09:10
Select the correct answer from each drop-down menu.describe what happens to a carbon-11 atom when it undergoes positron emission.the decay of a carbon-11 atom _1_, and this causes it to emit _2_.options for 1: > changes a neutron into a proton> changes a proton into a neutron> is hit with a neutron> reconfigures its protons and neutronsoptions for 2: > a negatively charged electron-sized particle> a positively charged election-sized particle> two atoms and several neutrons> two neutrons and two protons
Answers: 3
Chemistry, 22.06.2019 09:10
How have the greenhouse gasses increased from the year 2000 to 2018
Answers: 2
You drip a liquid substance onto a metal plate. You hear a hiss, and see a gas rising from the spot...
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