Stull_Lab#5

PLEASE HELP!!!!! just need part B and part D!!! WILL UPVOTE!!

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Engaging ActivitiesACTIVITY 1Directions: Identify the element described in each statement.___________1. An element with 26 protons and 30 neutrons.___________2. Has a mass number of 11 and an atomic number of 5.___________3. Has 117 neutrons and an atomic number of 78.___________4. Has 69 neutrons and 50 protons.___________5. Has 125 neutrons and an atomic number of 85.

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Deuterium (chemical symbol - D) is a heavy isotope of hydrogen, H. Despite having an extra neutron in its nucleus, deuterium reacts very similarly to hydrogen. What deuterated compounds would be formed in the shown reaction ? 1.) BD3 2.) D202 н D D D D D CEC-H D D A B O 1. 4 O 2. 0 there will be no reaction 3. 9.0 5. В

令 会: 云 * 00 < cO sures [Review Topics] [References] Write the equation for the reaction of lithium sulfate with strontium hydroxide. (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank.) Submit Answer Retry Entire Group 8 more group attempts remaining Previous Sau L AON 4. 14 étv 082 MacBook Air 000 000 DD F4 F5 F7 F10 F11 F12 8- % ) 6

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Part A What is a combustion reaction? Why are combustion reactions important? Match the items in the left column to the appropriate blanks in the sentences on the right. Reset Help to form radioactive particles Combustion reactions are characterized by the reaction of a substance with Combustion N2 compounds. Combustion reactions emit one or more reactions are important because most of society's energy is derived from them. oxygen-containing chlorine-containing nitrogen-containing ultraviolet light 02 heat Cl2 Submit Request Answer 62

The law of conservation of mass states that matter cannot be created or destroyed

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