How many carbons would the following molecules contain?

A) A straight chain Alkene with 14 carbons and 3 double bonds

B) A straight chain Alkyne with 9 carbons and 2 triple bonds

What is an ephemeral stream? A. One that is formed only from chemical weathering B. One that flows only after rainfall C. One that is formed only from mechanical weathering D. One that flows only in flat lands

How many moles of oxygen are in 8.25g of O?

Eleanor wants to show her class a comparison of melting rates between two different solids when heat is applied. Why would a graph be more suitable than a table to show her data?

Fluorine-18, which has a half-life of 110 min, is used in PET scans. a. If 100. mg of fluorine-18 is shipped at 8:00 a. m., how many milligrams of the radioisotope are still active after 110 min? b. If 100. mg of fluorine-18 is shipped at 8:00 a. m.

What is the density of iron?

An atom is determined to contain 17 protons, 18 electrons, and 18 neutrons. What are the mass number and charge of this atom or ion?

What is the maximum height at which the solvent should condense (in the condenser) during reflux? What might happen if the solvent condenses higher than this?

Name a brittle metal, which is used to galvanize iron

How many grams of copper metal are produced from the reaction of 21.84 ml of 0.108 m cu2 + with excess zinc metal?

How many electrons are in selenium - 36?