The reaction A → B + C is known to be zero order in A with a rate constant of 3.8× 10–2 mol/L • s at 25° C. An experiment was run at 25°C where [A]0 = 1.0 × 10–3 M. What is the rate after 6.5 minutes? Group of answer choices

Often on a topographic map, every fifth contour line is darkened. what is this line called? a. key b.slope c.benchmark d. index contour

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.

What must occur for air masses to form fronts