Does Carbon have a valence electrons

216 J of energy is required to raise the temperature of a piece of aluminum from 15.0º C to to 35º C. Calculate the mass of aluminum used. (Specific heat of aluminum = 0.90 J ∙ º C-1 ∙ g-1)

Which is an issue that governments must consider before passing conservation policies? urbanization implications cost to implement conservation policies desertification implications cost to implement deforestation

Give an example of a two face mixture and describe how you would separate the substances

0.1005 liters is the same as: cm3 and mL

When the equation al + hcl is completed and balanced, one term in the equation will be?

Give 2 examples of force pairs that occur when you clean your room?

Which branch of musicology might study the reasons as to why you like rock music and your friend like country music?

Consider the statement, In the following process, the number of particles increases, so ΔS for this process must be positive. MgS (s) ⇄ Mg2 + (aq) + S2 - (aq) Is this statement true?

How do you read a data table?

In the manufacturing process of sulfuric acid, sulfur dioxide is reacted with oxygen to produce sulfur trioxide.