Chemistry, 03.11.2019 23:31 chayaharroch03
In some pine trees, long needles are dominant over short needles. which of the following statements is true?
1.) a pine tree with long needles must be homozygous dominant
2.) a pine needle with short needles must be heterozygous recessive
3.) a hybrid pine tree will have the same phenotype as a homozygous dominant pine tree
4.) a hybrid pine tree will have the same genotype as a homozygous recessive pine tree
Answers: 2
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The lattice enthalpy (formation of ionic solid from ions in the gas phase) for agcl(s) is -916 kj/mol and the hydration enthalpy (dissolution of gaseous ions into water) is -850 kj/mol. how much heat (in joules) is involved in forming 1l of saturated agcl solution (1.8 × 10-4 g / 100 ml water) by dissolving agcl(s)? assume solution volume does not change much upon dissolution. the equations are given below. ag+(g) + cl−(g) æ agcl(s)
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How many valence electrons are in atom of radon?
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In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding. i
Answers: 1
In some pine trees, long needles are dominant over short needles. which of the following statements...
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