Chemistry, 03.03.2020 18:29 nathanfletcher
Sulfur and oxygen combine to make sulfur dioxide. It takes ___ mol of sulfur to produce 641 g sulfur dioxide.
__ S8 + __ O2 → __ SO2
When 59.6 g heptane is burned it releases __ mol water.
__ C7H16 + __ O2 → __ CO2 + __ H2O
Calcium carbonate reacts with hydrochloric acid (HCl) to produce calcium chloride, water and carbon dioxide. You need to have 298 grams of carbon dioxide for another process, so you need to start with __ mol hydrochloric acid.
__ CaCO3 + __ HCl → __ CaCl2 + __ H2O + __ CO2
Ammonium hydroxide is neutralized by sulfuric acid to produce ammonium sulfate and water. It will make ___ mol ammonium sulfate when you neutralize 11.27 g ammonium hydroxide.
__ NH4OH + __ H2SO4 → __ (NH4)2SO4 + __ H2O
Answers: 3
Chemistry, 21.06.2019 20:30
Un cierto gas tiene un volumen de 800ml a 80°c y 600ml a 80°c y 600mmhg de presión. ¿cual será el volumen del gas a condiciones normales? sí el gas es oxígeno, ¿cuál será su peso? y ¿cuántas moléculas están presentes en el sistema?
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Chemistry, 21.06.2019 22:00
If a plot weight (in g) vs. volume (in ml) for a metal gave the equation y= 13.41x and r^2=0.9981 what is the density of the metal?
Answers: 2
Chemistry, 22.06.2019 04:00
Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?
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Chemistry, 22.06.2019 17:40
Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.
Answers: 1
Sulfur and oxygen combine to make sulfur dioxide. It takes ___ mol of sulfur to produce 641 g sulfur...
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