4. A container holds 500 mL of oxygen gas at a pressure of 1.3 atmn and a temperature of 25 "C. If the temperature increases to 22 °C and the pressure increases to 2.0 atm, will the volume of the
gas increase or decrease? What is the final volume of the gas in liters (L)?

The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.

In which of these cases are the two wave points considered to be in phase with each other?

The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.