What is a toxic chemical?

Which element would most likely have a positive electron affinity?

Ayala is making salad dressing. She mixes oil and vinegar in a blender until a smooth consistency is formed. Explain whether this is a heterogeneous or a homogeneous mixture and why.

Equal volumes of a 6.0 m kno3 solution and 2.6 m nacl solution are mixed. what is the molarity of the new solution in kno3 and nacl?

How do you use a texas instruments TI83 plus calculator to solve wave length

The ideal gas constant, R has several different values that could be used. Which quantity causes these differences? a. pressure b. temperature c. volume d. moles

How much energy must be supplied to break a single 21ne nucleus into separated protons and neutrons if the nucleus has a mass of 20.98846 amu?

How many moles of solute are contained in a 250 ml solution that has a concentration of. 85 m? A) 210 B) 0.21 C) 3.4 D) 0.29 E) 0.85

Classify the bonds formed between each pair as ionic, polar covalent, or nonpolar covalent based solely on each element's position on the periodic table. O-O, Fe-O, Al-N, O-I, S-I, Br-Br, P-Br, Be-Cl

If one starts with pure NO2 (g) at a pressure of 0.500 atm, the total pressure inside the reaction vessel when 2NO2 (g) 2NO (g) + O2 (g) reaches equilibrium is 0.674 atm. Calculate the equilibrium partial pressure of NO2.

What kind of reproduction does this organism use?