Anatomy and Physiologyacademic

Study of body structure and function

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Which of the changes are chemical changes? $\square$ Candle wax is melted. $\square$ A candle is burned. $\square$ A silver teapot turns black. $\square$ Two clear colorless salt solutions are mixed and a bright orange precipitate forms. $\square$ Sugar crystals are ground to a fine powder. Determine the charge on each ion in the given compounds, and name the compound. Spelling counts. $$ \mathrm{Mg}_{3} \mathrm{~N}_{2} $$ name: charges: Mg : $\mathrm{N}:$ Mg: N: $\mathrm{Al}_{2} \mathrm{~S}_{3}$ name: charges: $$ \mathrm{Al}_{2} \mathrm{~S}_{3} $$ name: $\square$ $\qquad$ $\qquad$ $\qquad$ $\qquad$ $\qquad$ $\qquad$ $\qquad$ $\qquad$ $\qquad$ $\qquad$ $\qquad$ $\qquad$ $\qquad$ $\qquad$ $\qquad$ $\qquad$ $\qquad$ $\qquad$ $\qquad$ $\qquad$ $\qquad$ $\qquad$ $\qquad$ $\qquad$ $\qquad$ $\qquad$ Consider the neutralization reaction $$ 2 \mathrm{HNO}_{3}(\mathrm{aq})+\mathrm{Ba}(\mathrm{OH})_{2}(\mathrm{aq}) \longrightarrow 2 \mathrm{H}_{2} \mathrm{O}(\mathrm{l})+\mathrm{Ba}\left(\mathrm{NO}_{3}\right)_{2}(\mathrm{aq}) $$ A $0.110-\mathrm{L}$ sample of an unknown $\mathrm{HNO}_{3}$ solution required 50.1 mL of $0.200 \mathrm{M} \mathrm{Ba}(\mathrm{OH})_{2}$ for complete neutralization. What is the concentration of the $\mathrm{HNO}_{3}$ solution? concentration: Atoms that gain or lose electrons are called ions. What is the charge on a nitrogen ion that has 6 electrons and 7 protons? If a sulfur ion with 16 protons and 17 electrons loses one electron, what is the resulting charge? In aqueous solution, classify these compounds as strong acids, weak acids, strong bases, or weak bases. Strong acid Weak acid Strong base Weak base | | | | | | | | | --- | --- | --- | --- | --- | --- | --- | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |

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Solution
Homework
6 months ago
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Question:

### What is the cause? You're nodding, but now hard shows into your network attached storage device. Your director asks that they be put into a RWD solution that offers redundancy over performance. #### Which would you use? - RWD 0 - RWD 1 - RWD 5 - RWD 6 - RWD 10 A Windows user is locked out of her computer, and you must log into the local administrator account HelpdeskAdmin. #### Which would you use in the username field? - iHelpdeskAdmin - iHelpdeskAdmin - iHelpdeskAdmin - HelpdeskAdmin - iHelpdeskAdmin ### What is the cause? - 55L certificate is invalid or self-signed - User needs to change the URL to http:// from https:// - Web server doesn't support HTTPS sites - Domain is improperly configured at the registrar - User's browser doesn't support secure websites The web development team is having difficulty connecting by SSH to your local web server, and you notice the proper rule is missing from the firewall. #### What port number would you open on your webserver? - 1et j1 - 1et j2 - 1et j3 - 1et j4 - 1et j5 1et j6 1et j7 1et j8 1et j9 Your internet is out, and devices connected by RIM (and ethernet will not connect. You check several websites, and all your packets list. You then ping a website with an IP address, and to your surprise, it's a success. #### Which would you do next? - Open the Network settings on your router and try turning off your firewall - Open the DNS settings on your router and try using a different DNS - Open the DHCP settings on your router and try using a different pool of private IP addresses - Open the Port Forwarding settings on your router and try turning on UPoP - Open the Network settings on your router and try adjusting the default gateway Your manager asks you to set up a secure network connection at a remote site to move over some backups. #### Which protocol would you use? - IP - SSH - SFTP - FTP - DHCP

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Solution
Homework
6 months ago
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