Chemistry, 10.06.2020 03:57 leximae2186
Which statement is a scientific law?
A. Scientists use genes to explain why evolution happens.
B. Genes are long patterns that are similar to computer codes.
C. A person’s traits are controlled by different forms of a gene.
D. The discovery of genes changed how scientists think about life.
Answers: 2
Chemistry, 22.06.2019 09:00
An excess of lithium oxide undergoes a synthesis reaction with water to produce lithium hydroxide li2o+h2o→2lioh if 1.05 g of water reacted, what is the theoretical yield of lithium hydroxide? a) 5.83 x 10–2 g lioh b) 1.17 x 10–1 g lioh c) 2.79 x 100 g lioh d) 1.40 x 100 g lioh
Answers: 1
Chemistry, 22.06.2019 09:30
The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?
Answers: 3
Chemistry, 22.06.2019 18:10
Given the following at 25c calculate delta hf for hcn (g) at 25c. 2nh3 (g) +3o2 (g) + 2ch4 (g) > 2hcn (g) + 6h2o (g) delta h rxn= -870.8 kj. delta hf=-80.3 kj/mol for nh3 (g), -74.6 kj/mol for ch4, and -241.8 kj/mol for h2o (g)
Answers: 1
Which statement is a scientific law?
A. Scientists use genes to explain why evolution happens.
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