Which of these is not true?
A. Atoms of the same elements can have different masses.
B. The n...
![subject](/tpl/images/cats/himiya.png)
Chemistry, 24.02.2021 02:40 olivernolasco23
Which of these is not true?
A. Atoms of the same elements can have different masses.
B. The nucleus of an atom has a positive charge.
C. Atoms have isotopes of an element have different numbers of protons.
D. Atoms are mostly empty space.
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 11:00
Predict the products of the following acid-base reactions, and predict whether the equilibrium lies to the left or to the right of the reaction arrow.part ao2-(aq)+h2o(l)< => express your answer as part of a chemical equation. identify all of the phases in your answer.o2-(aq)+h2o(l) < => oh-(aq)+oh-(aq)part bpredict whether the equilibrium lies to the left or to the right of the equation in previous part.h2o is a stronger acid than oh–, so the equilibrium lies to the right.h2o is a weaker acid than oh–, so the equilibrium lies to the left.h2o is a stronger acid than oh–, so the equilibrium lies to the left.h2o is a weaker acid than oh–, so the equilibrium lies to the right.part cch3cooh(aq)+hs? (aq) < => express your answer as part of a chemical equation. identify all of the phases in your answer.ch3cooh(aq)+hs-(aq) < => h2s(aq)+c2h3o2-(aq)h2s(aq)+c2h3o2-(aq)part dpredict whether the equilibrium lies to the left or to the right of the equation in previous part.ch3cooh is a weaker acid than h2s, so the equilibrium lies to the right.ch3cooh is a weaker acid than h2s, so the equilibrium lies to the left.ch3cooh is a stronger acid than h2s, so the equilibrium lies to the right.ch3cooh is a stronger acid than h2s, so the equilibrium lies to the left.part eno2-(aq)+h2o(l) < => express your answer as part of a chemical equation. identify all of the phases in your answer.no2-(aq)+h2o(l) < => part fpredict whether the equilibrium lies to the left or to the right of the equation in previous part.hno2 is a stronger acid than h2o, so the equilibrium lies to the right.hno2 is a weaker acid than h2o, so the equilibrium lies to the left.hno2 is a stronger acid than h2o, so the equilibrium lies to the left.hno2 is a weaker acid than h2o, so the equilibrium lies to the right.
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 18:30
The table lists the lattice energies of some compounds.compoundlattice energy (kj/mol)lif –1,036licl –853naf –923kf –821nacl –786which statement about crystal lattice energy is best supported by the information in the table? the lattice energy increases as cations get smaller, as shown by lif and kf.the lattice energy increases as the cations get larger, as shown by lif and licl.the lattice energy decreases as cations get smaller, as shown by nacl and naf.the lattice energy decreases as the cations get smaller, as shown by naf and kf.
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 20:20
Which formula equation represents the burning of sulfur to produce sulfur dioxide? s(s) + o2(g) 4502(9) 2h2s(s) + 302(g) —> 2h20(0) + 2502(9) 4fes2+1102 —> 2fe2o3 + 8502 2802(g) + o2(9) v205 , 2503(9)
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 22:30
3.09 lab: reaction of metals 1 which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 28.01.2020 16:55
![question](/tpl/images/cats/mat.png)
Mathematics, 28.01.2020 16:55
![question](/tpl/images/cats/en.png)
English, 28.01.2020 16:56
![question](/tpl/images/cats/istoriya.png)
History, 28.01.2020 16:56
![question](/tpl/images/cats/mat.png)
Mathematics, 28.01.2020 16:56
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 28.01.2020 16:56
![question](/tpl/images/cats/health.png)
Health, 28.01.2020 16:56
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 28.01.2020 16:56
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 28.01.2020 16:56
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 28.01.2020 16:56
![question](/tpl/images/cats/mat.png)
Mathematics, 28.01.2020 16:56
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 28.01.2020 16:56