Answer: 3
Explanation: You may not always get feedback that would be helpful and requesting the answer would be cheating
Answer:
Na2Co3
Explanation:
Molar mass: 105.9888 g/mol
Melting point: 851 °C
95.21 grams.
Add the atomic mass of each element present. (If there is more than one atom of an element, multiply the element's atomic mass by the number of that element's atoms.)
Answer:
The energy absorbed in the first move is greater than the energy released in the second move.
Explanation:
The greater the level number the greater the energy.
A movement up a level requires energy so energy id absorbed.
Dropping down a level releases energy.
Answer:
7.625g/cm³
Explanation:
Density = mass/volume
Volume of the block=2cm×2cm×4cm=16cm³
Mass of the block=122g
Density=122/16
=7.625
Therefore, the density of the block is 7.625g/cm³