Which of the following statements incorrectly uses Avogadro's number?
1. There are 6.022 X1023 carbon atoms in a mole of carbon.
2. There are 6.022 X1023 sodium atoms in a mole of sodium carbonate, Na2CO3.
3. There are 6.022 X1023 formula units in a mole of sodium carbonate, Na2CO3.
4. There are 6.022 X1023 molecules in a mole of carbon dioxide, CO2.
Answers: 2
Chemistry, 21.06.2019 17:00
Write the complete balanced equation for the reaction between lead (iv) oxide (pbo2) and water (h2o).
Answers: 1
Chemistry, 22.06.2019 10:00
The reactions shown here can be combined to make the overall reaction c(s) + h2o(g) ⇌ co(g) + h2(g) by reversing some and/or dividing all the coefficients by a number. a. c(s) + o2(g) → co2(g) k=1.363×10^69 b. 2 h2(g) + o2(g) → 2 h2o(g) k=1.389×10^80 c. 2co(g) + o2 (g) → 2 co2(g) k=1.477×10^90
Answers: 1
Chemistry, 22.06.2019 21:00
Which answer tells the reason the earth’s climate is getting warmer? too many animals are becoming extinct. large glaciers are melting in antarctica. the earth is moving closer to the sun. driving cars gives off gases that trap heat in the atmosphere.
Answers: 1
Chemistry, 22.06.2019 22:00
Pls ill give u brainliest which of the following is true about science? 1. political conditions are unable to influence it. 2. economic concerns may prevent it from solving problems.
Answers: 2
Which of the following statements incorrectly uses Avogadro's number?
1. There are 6.022 X1023 carb...
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