Chemistry, 17.07.2019 22:30, gorbyalexis
Astudent conducted the experiment, recorded data and calculated the following: moles of gas produced: 0.009123 mole volume of gas produced (corrected to stp): 0.1893l what is the volume occupied by one mole of the gas? (molar volume) o 20.75 l/mol o 19.45 l/mol 0.02143 l/mol o 22.4 /mol cannot be determined from this data
Answers: 1
Chemistry, 22.06.2019 02:40, hardwick744
Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.
Answers: 2
Chemistry, 23.06.2019 10:30, erikloza12pdidtx
Which of the following pairs of elements is most likely to form an ionic compound? a oxygen and fluorine b sodium and aluminum c calcium and chlorine d nitrogen and sulfur
Answers: 1
Chemistry, 23.06.2019 22:20, devoncruz23
For a reaction delta h= -286 kj. when is the reaction spontaneous a: when t delta s = 2(-286 kj) b: when t delta s= -286 kj c: when t delta s < -286 kj d: when t delta s > 0
Answers: 3
Chemistry, 24.06.2019 03:20, Lesquirrel
Agroup of students working in a high school chemistry lab believe they have discovered a new element! how exciting? upon further testing by scientists (with better equipment), it is found that the new element contains 74 protons and 110 neutrons. what is the atomic number? what is the mass number? is this a new element? explain. give the name and symbol for this element. is it solid, liquid, or gas? explain
Answers: 3
Astudent conducted the experiment, recorded data and calculated the following: moles of gas produce...
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