Chemistry, 09.09.2019 18:10 abigailguzman4108
1. a( bond forms when one atom gives up one or more electrons to another atom.
2. atoms or molecules with a net electric charge due to the loss or gain of one or more electrons are .
3. a( involves the sharing of electron pairs between atoms, also known as a molecular bond. 4. when one pair of electrons is shared between two atoms, a bond is formed. 5. when two pairs of electrons are shared between two atoms, a bond is formed. 6. a bond is a type of chemical bond where a pair of electrons is unequally shared between two atoms. as a result, one end of the molecule has a slightly negative charge and the other a slightly positive charge. 7. atoms involved in a bond equally share electrons; there is no charge separation to the molecule. 8. a weak bond called a bond results from an attraction between a slightly positive region in a molecule and a slightly negative region in the same or a different molecule.
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The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?
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Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]
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Chemistry, 22.06.2019 20:00
Suppose that some of the compound spilled out of the crucible after it was heated. would that cause the percent by mass of water in the compound determined by the experiment to be too low, too high, or unchanged? briefly explain your answer.
Answers: 1
1. a( bond forms when one atom gives up one or more electrons to another atom.
2. atoms or mo...
2. atoms or mo...
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