Need asap a 3.24-gram sample of nahco3 was completely decomposed in an experiment.
2nahco3-na2co3 + h2co3
in this experiment, carbon dioxide and water vapors combine to form h2co3. after decomposition, the na2co3 had a mass of 2.19 grams.
a. determine the mass of the h. co, produced.
b. calculate the percentage yield of h, co, for the reaction. show your work or describe the calculation process in detail.

Plz genetic engineering can be applied to many fields including medicine and agriculture. which of the following is a medical application of genetic engineering? a. giving crop plants recombinant dna so that they would be resistant to herbicides. b. examining a persons pedigree to determine whether they can carry a gene for a genetic disease. c. analyzing a persons dna to see how closely they are related to another person. d. certain genes into bacteria so that they will produce a needed medicine.

Food contains a sugar called ( ), which is broken down in a process called cellular ( ). this process uses ( ) to break down food molecules and provide energy for cells. fill in the parentheses

Anormal appearing couple is found to be heterozygous recessive for albinism both have the genotype aa the gene responsible for albinism is recessive to the normal pigment-producing gene what are the changes of their children being albino