Chemistry, 14.11.2019 20:31 kalieghcook
Acetone and sodium chloride both have similiar mass. explain why their other properties differ.
acetone: c3h6o, melting point = −94°c, liquid at room temperature, low electrical conductivity
sodium chloride: nacl, melting point = 801°c, solid at room temperature, high electrical conductivity
Answers: 3
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What is the most important factor in determining climates.
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Chemistry, 22.06.2019 15:30
Count the number of each type of atom in the equation below, and then balance the equation. write in the numbers of atoms and coefficients. add a 1 if there should be no coefficient. cs2(l) + o2(g) → co2(g) + so2(g) c [ ] s [ ] o > c [ ] s [ ] o [ ] cs2(l) + [ ] o2(g) > [ ] co2(g) + [ ] so2(g)
Answers: 3
Chemistry, 22.06.2019 20:30
The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?
Answers: 3
Chemistry, 22.06.2019 22:30
Which of these statements best explains why space exploration should be encouraged? it prepares humans to live without oxygen. it dispel myths about objects in space. it prevents comets and asteroids from striking earth. it creates technology to absorb harmful radiations in space.
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Acetone and sodium chloride both have similiar mass. explain why their other properties differ.
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