A chemist adds a chemical to pure water and there is a 100-fold increase in the concentration of hydrogen ions. What is the best approximation of the new pH value?
A. 9
B. 0
C. 7
D. 5
E. 14
Answer: D
Biology & Microbiology
You might also like to view...
The bacteria associated with hemolytic uremic syndrome is
A. Salmonella cholerasuis. B. Campylobacter jejuni. C. Pseudomonas aeruginosa. D. Lactobacillus. E. Escherichia coli O157:H7.
Biology & Microbiology
In the absence of O2, the partial metabolism of glucose in human muscles produces _________
a. acetaldehyde b. carbon dioxide c. energy d. lactic acid e. oxygen
Biology & Microbiology
Both strands of the short, double-stranded regulatory RNA molecules are required by the Slicer protein in order to target the complementary RNA for degradation
Indicate whether the statement is true or false
Biology & Microbiology
In badly decomposed bodies, poisons are more likely to be found in the vitreous humor,
a. true b. false
Biology & Microbiology