A Pangaea <span>is the name for continents in one landmass surrounded by gigantic ocean.
Good luck with your studies, I hope this helps!</span>
The grams are in 0.0150 moles of caffeine C8H10N4O2
mass = moles of C8H10N4O2 x molar mass of C8H10N4O2
= 194g/mol x 0.0150mol = 2.91 grams
there is 2.94 grams in 0.01150 of caffeine
Answer:
Please find the ten balanced equations below
Explanation:
According to the question, a balanced equation must contain equal number of atoms on both sides of the equation. To balance an equation, coefficients are used. The following are the balanced equation:
1. C + O2 → CO2 (balanced)
2. 2H2 + O2 → 2H2O (balanced)
3. 2Na + 2H2O → 2NaOH + H2 (balanced)
4. 4Na + O2 → 2Na2O (balanced)
5. 2Na + Cl2 → 2NaCl (balanced)
6. NaOH + HCl → NaCl + H2O (balanced)
7. NaOH + HNO3 → NaNO3 + H2O (balanced)
8. 2NaOH + H2SO4 → Na2SO4 + 2H2O (balanced)
9. Na2CO3 + 2HCl → 2NaCl + H2O + CO2 (balanced)
10. 2NaOH + CO2 → Na2CO3 + H2O (balanced)
Co2 is made of carbon ( atomic mass: 12) and oxygen (atomic mass : 16)
First : mass of 1 C atom + mass of 2 O atom = 12+(16*2)=44 amu so 1 mole CO2 =44 grams then 2.5 mole CO2 =44*2.5 =110 grams
So the answer is 110 grams
Answer:
C = 0.5621J/g°C
Explanation:
Heat lost by metal = Heat gained by water
Heat gained by water;
H = MC ΔT
ΔT = 28 -25 = 3.0°C
M = 130.0g
C = 4.18 J/g°C
H = 130 * 4.18 * 3 = 1639J
Heat lost my metal;
H = MCΔT
ΔT = 100 - 28 = 72°C
M = 40.5g
C = ?
C = H / MΔT
C = 1639 / (40.5 * 72)
C = 0.5621J/g°C