Williamson synthesis always shows sn1 reaction but why does this reaction occur (ch3)3 - c -ch2 - br + c2h5ona > (ch3)3- - c - ch2 - o - c2h5

Now that the first three steps have been explained, identify the next three steps, in order. calculate the magnitude of r sum vector components calculate a and b magnitudes calculate the direction of r, calculate x, y components step 4 step 5 step 6

Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination. at the turning point, how far is the second student from the destination?

What was the first instrument to ever record an earthquake?