If 25.0 milliliters of 0.200 M BrO3 −is mixed with 30.0 milliliters of 0.450 M Br −solution that contains a large excess of H + , the amount of Br2 formed, according to the equation above, is: (hint: this is a limiting reactant problem) Balanced equation :BrO3 −+ 5Br −+ 6H +⇄ 3Br2 + 3H2O

Asmall amount of a solid is added to water. the observation made after fifteen minutes is shown in the figure. which of these solids has been probably added to water? a) oil b) sand c) sugar d) wood chips

Which of the following true? a_volcanoes and earthquakes often near the plate boundaries. b_volcanoes occur whereve there are tall mountains. c_earthquakes cause volcanoes in the same location to erupt violently d_volcanoes and earthquakes occur only where plates are colliding with each other

Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h