Chemistry

As pure molecular solids , identify the types of intermolecular forces in each: PH_(3) square HF square CO_(2) square

What is the term for the product that results from hydrocarbons that react with other chemicals and sunlight? gaseous emissions photochemical smog carbon monoxide particulate matter

Bodies of water tend to moderate climate because __ water is always cooler than the nearby landmasses the hydrogen bonding in water causes it to be cohesive All of the listed responses are correct. water has a high heat of vaporization the hydrogen bonding in water gives it a high specific heat IDON'T KNOWYET

In chemistry,resonance is defined as a way of describing the __ likelihood that a neutral atom will gain an electron distribution of electrons across the different quantum energy levels of an atom distribution of electrons in a molecule when one Lewis structure does not adequately describe the molecule vibration of sound waves from a surface

What do strong and weak acids have in common? A. pH paper test B. Reaction with magnesium C. Litmus paper test D. Electrical current conduction

Question 1 of 2 Atoms that gain electrons become negatively charged. A True B False 1 point

Which types of fire suppression foam utilizes a synthetic molecule that has a "tail" that is less soluble in water and more soluble in a liquid organic fuel? AFFF Alcohol-based foam Aqueous foam High-expansion foam

Predict the sign of Delta S for the following process. 2NO(g)+O_(2)(g)arrow 2NO_(2)(g) A. lt 0 B. gt 0 C. =0

Calculate the Delta H for the reaction NO_((g))+O_((g))arrow NO_(2(g)) Given the following information:Eq 1:NO_((g))+O_(3(g))arrow NO_(2(g))+O_(2(g)) Delta H=-198.9kJ/mol Eq 2: O_(3(g))arrow 3/2O_(2(g)) Delta H=-142.3kJ/mol Eq 3: O_(2(g))arrow 2O_((g)) Delta H=495.0kJ/mol

Classify the following chemicals by type of particle: carbon ion non metal atom formula unit molecule