How much catalyst remains at the end of a reaction

While working in the chemistry lab, Matthew accidently spilled acid on the lab table. What should his first step be? A) Matthew should use the eyewash. B) Matthew should inform the teacher about the spill.

Superconducting magnets are used in machines called particle accelerators. these machines rely on zero resistance in order to function properly. how are the magnets able to have zero resistance? they are heated to extremely high temperatures.

What is molten rock deep within Earth called?

The presence of which of the following organelles or structures would most likely indicate that a cell is eukaryotic and NOT prokaryotic? A Plasma membrane B Ribosomes C Nucleus D Cell wall

Hilgard his colleagues hypnotized participants to believe they wouldnt experience pain when they placed one hand in ice water. Participants were asked to press a response button with the other hand if they felt any pain.

For some reason (not yet understood) more male babies are conceived (born) than female. By childhood the number of boys and girls is the same. what is the possible explanation for the higher mortality (both before and after birth) of male babies?

A child's pituitary gland does not release enough hormones. What is the most likely cause of this? A. The child has no ovaries. B. The child has no adrenal hormones. C. The child's blood glucose level is too high. D.

Which tissue is correctly paired with its primary cell type? which tissue is correctly paired with its primary cell type? bone; osteoblast connective tissue proper; chondroblast cartilage; fibroblast bone; fibrocyte?

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Roentgens are used to measure the amount of: A) uranium, B) fuel burned, C) radiation, D) hydrogen isotopes