At 25°C, the following heats of reaction are known: 2C2H2 + 5O2 → 4CO2 + 2H2O ΔH = –2600.0 kJ C + O2 → CO2 ΔH = –394 kJ 2H2 + O2 → 2H2O ΔH = –572 kJ At the same temperature, calculate ΔH for the following reaction: 2C + H2 → C2H2 ΔH = ?

24 points and brainliest to anyone who can answer under 10 minutes with best ! the table below shows the role of different substances during photosynthesis. substance role during photosynthesis glucose stores chemical energy water combines with glucose to form carbon dioxide chlorophyll traps sunlight which of the following statements would correct one of the roles listed in the table? glucose combines with carbon to form water. chlorophyll reacts with light to produce carbon dioxide. water combines with carbon dioxide during photosynthesis. chlorophyll stores chemical energy needed for photosynthesis.

If blood contains 150g of hemoglobin per liter of blood, how much hemoglobin would be contained in 10 ml of blood

Is 9 correct? and can someone me with 10? it’s due tomorrow, you