Density = Mass/Volume
40/20=2
The density equals 2 g/mL.
Answer:
4,572.67
Explanation:
11 divided by 1000= 90.90
44= 11x
x=4
4 x 11= 4000
44-51.300=6.300
6.300 x 90.90=572.67
4000 + 572.67 = the answer
1. Transitional fossils tells a story of the relationship between the ancestors and the descendant, this allows scientists to determine or study the common pattern in development. This fossils are also used to prove the Darwin theory of evolution.
2. Yes the synonym of transitional is 'midway' and/or ;middle'. Transitional fossils are fossils that have traits of their ancestor and descendant. Thus these fossils exist between (middle) of their ancestor and descendant.
3. No, I don't think it is possible for all species that ever existed, because some fossils exist in places that humans cannot reach.
Answer:
no it will have no charge...it would be electrically neutral! because the number of protons and electrons are equal!
32.8 g of Butane is required and 99.3 g of CO₂ is produced
<u>Explanation:</u>
The above mentioned reaction can be written as,
C₄H₁₀(g) + 13 O₂(g) → 4CO₂(g) + 5 H₂O(g) where ΔH (rxn)= -2658 kJ
It is given that 1.5 × 10³ kJ of energy is produced, the original reaction says that 2658 kJ of heat is produced, which means that less than one mole of butane is used in the reaction.
That is
of butane reacted
Now this moles is converted into mass by multiplying it with its molar mass = 0.564 mol × 58.122 g / mol
= 32.8 g of butane.
Mass of CO₂ produced = 0.564 ×44.01 g /mol × 4 mol
= 99.3 g of CO₂
Thus 32.8 g of Butane is required and 99.3 g of CO₂ is produced