A system absorbs 52 joules of heat and does work using 25 joules of energy. What is the change in the internal energy of the system? 25 joules 27 joules 52 joules 77 joules.

Certification programs are offered by all of the following except

It's 90 °f in the shop with high humidity. what pressure will be shown on the high-side pressure gauge (ac system on)?             a.  10 to 50 psi    b.  40 to 140 psi  c.  210 to 290 psi  d.  at least 350 psi

The chart below matches messenger rna codons with amino acids. a dna strand has the sequence of bases, aat. according to the chart, the corresponding messenger rna codes for which amino acid?