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Questions in chemistry

[Homework Help] Is moss a decomposer?

[Homework Help] A 50-kg child on a skateboard experiences a 75-N force. What is the expected acceleration of the child?

[Homework Help] Provide two reasons why a scientist might want to study the DNA of strawberries.

[Homework Help] Which statement is inconsistent with the concept of isotopes of the same element? A. Isotopes have the same number of protons B. Isotopes have the same atomic number C. Isotopes differ in mass number D. Isotopes differ in the number of neutrons present E. Isotopes differ in their nuclear charge

[Homework Help] What happens during vaporization and evaporation?

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[Homework Help] How many atoms lie in a straight line in the molecule 2-butyne, CH₃C≡CCH₃? A. 10 B. 8 C. 6 D. 4 E. 2

[Homework Help] Show the steps for solving this problem: How many grams of [tex]$O_2$[/tex] are required to burn 46.0 grams of [tex]$C_5H_{12}$[/tex]?

[Homework Help] Which of the following best explains why 1-butanol, CH₃CH₂CH₂CH₂OH, has a higher surface tension than its isomer, diethyl ether, CH₃CH₂OCH₂CH₃? A. The higher density of 1-butanol B. The lower specific heat of 1-butanol C. The lack of hydrogen bonding in 1-butanol D. The higher molecular mass of 1-butanol E. The presence of hydrogen bonding in 1-butanol

[Homework Help] The energy stored in foods and fuels is _________ potential energy. What kind of potential energy?