A car travelling at 20km per hour emits about 0.0750kg of carbon monoxide per kilometre. How many mole of carbon monoxide are emitted per kilometre under these conditions?

Which of the reactants or products is a gas c4h10 o2 co2

Calculate the ph for each case in the titration of 50.0 ml of 0.150 m hclo (aq) with 0.150 m koh (aq). use the ionization constant for hclo

What element is white shiny metallic solid reacts slightly to air and the density is 1.55

On a lab exam, you have to find the concentrations of the monoprotic (one proton per molecule) acids HA and HB. You are given 43.5 mL of HA solution in one flask. You titrate this flask of HA solution with 87.3 mL of 0.0906 M NaOH.

Consider the following gas samples: 10. g of hydrogen gas, 10. g of helium gas, 2.5 moles of nitrogen gas, 110. g of carbon dioxide gas, and 365 g of sulfur hexafluoride gas.

When balancing an equation, should you adjust the subscripts or the coefficients?

How does the sun warm the earth

What controls the amount of light that enters the eye?

The universe contains billions of galaxies, each containing billions of stars. True or false

How is measuring the volume of liquids different than measuring the volume of regular-shaped solids?