Match the chemical equations and types of chemical equations below. Fill in the blanks with the letters of correct answers.
a. Combustion reaction
b. Double displacement
c. Single displacement
d. Synthesis
e. Decomposition
Na2O + CO2 - Na2CO3
2F2 + 2H20 - 4HF + O2
HCI + NaOH - NaCl + H2O

In which scenario is the least amount of work done on a crate? a force of 120 n moves it 25 m. a force of 115 n moves it 26 m. a force of 130 n moves it 22 m. a force of 125 n moves it 27 m.

The ratio of lift to drag l/d for a wing or airfoil is an important aerodynamic parameter, indeed, it is a direct measure of the aerodynamic efficiency of the wing. if a wing is pitched through a range of angle of attack, l/d first increases, then goes through a maximum, and then decreases. consider an infinite wing with an naca 2412 airfoil. estimate the maximum value of l/d. assume that the reynolds number is 9x10^6.

Write a full page that sumerizes thermodynamics it’s from the website visionlearnig