Answer: Balance (B.)
Explanation:
Balances are used to measure mass.
Beakers and graduated cylinders measure volume. Stopwatches measure time. Meter sticks measure length. Thermometers measure temperature.
Answer:
0.05mole
Explanation:
C2H4+ 3O2 —> 2CO2 + 2H2O
From the equation, 1mole of ethene produced 2 moles of H2O.
Therefore, Xmol of ethene will produce 0.1mol of H2O i.e
Xmol of ethene = 0.1/2 = 0.05mole
Answer:
C. they are two forms of the same basic force
Explanation: Hope this helps :)
Answer:
The three states of matter are the three distinct physical forms that matter can take in most environments: solid, liquid, and gas. In extreme environments, other states may be present, such as plasma, Bose-Einstein condensates, and neutron stars.
Explanation:
Nickel has 10 valence electrons.