The correct mass of a block is 28.0 grams. A chemist measures the block 4 times and records the following measurements: 42.0 grams; 41.8 grams;
42.1 grams; and 41.9 grams. Identify the accuracy and precision of the
chemist's measurements.
O NOT accurate, but precise
O Neither- NOT accurate and NOT precise
O Both accurate AND precise
O Accurate, but NOT precise

Which of the following contributes to the structural rigidity of cellulose? adjacent glucose polymers are stabilized by hydrogen bonding. glucose residues are joined by (α1→4) linkages. cellulose is a highly branched molecule. the conformation of the glucose polymer is a coiled structure.

According to the kinetic-molecular theory, what happens to a liquid when it is transferred from one container to another? the volume and the shape stay the same. the volume increases to fill the new container, but the shape stays the same. the volume stays the same, but the shape changes to fit the new container. the volume and the shape change to fill the new container.

The solid xy decomposes into gaseous x and y: xy(s) m x(g) + y(g) kp = 4.1 (at 0 °c) if the reaction is carried out in a 22.4 l container, which initial amounts of x and y will result in the formation of solid xy?