Answer:
<h3 /><h3>The preparatory test for the SAT is called the <u>PSAT</u>.</h3>
The Preliminary SAT/National Merit Scholarship Qualifying Test (PSAT/NMSQT) is a standardised test administered by the College Board and cosponsored by the National Merit Scholarship Corporation (NMSC) in the United States.
<h3 /><h3>Additional Information:</h3>
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Answer:
<em>A ) 7 GRAMS</em>
Explanation:
7 grams.
The sum of the reactants must equal the sum of the products.
Reactant = 100 grams
Products = 100 g mercuric oxide - 93 g mercury which equals 7 grams oxygen.
Answer:
it looks really good, i like the details of the ears!
Explanation:
Acetic acid and ether are pure substance because they can not be further broken down.
<h3>What is a homogeneous mixture?</h3>
A homogenous mixture consists only of single phase. A solution is comprised of a solute and a solvent while a colloid is a false solution.
The following is a classification of each of the items;
1- Acetic acid - pure substance
2- Ether - pure substance
3- Vinegar - homogeneous mixture
4- Gravy - colloid
5- Beef stew - colloid
6- Seltzer water - solution
7- Salad - colloid
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Mising parts;
Classify each of the following as a pure substance, homogeneous mixture, solution, or colloid.
1- Acetic acid
2- Ether
3- Vinegar
4- Gravy
5- Beef stew
6- Seltzer water
7- Salad
Answer:
Starting in 2014, Penn Foster began introducing online proctoring as an additional option to a face-to-face proctor. Since then, thousands of remote proctored exams have been taken on Penn Foster’s systems, with less than 1% of proctored events flagged for infractions. What does this mean? It means that within this exam environment, students are unlikely to cheat. To simulate a traditional test-taking environment, the student is given strict guidelines regarding what they can and cannot do, including rules for what they are allowed to bring into the room with them, and when they are allowed to leave. The student is recorded via webcam while the testing system controls what the student sees on their screen. For additional identity verification, students are asked to present their license or ID to the webcam. The remote proctoring platform audits the recordings after the fact, and contacts Penn Foster with any reports of infractions.
For students who are unable to take remote proctoring, they must use paper proctored exams. In this case, the student finds someone who meets the requirements to proctor the exam, and Penn Foster verifies the individual. Penn Foster continues to work to switch over all exams to the remote proctor option, via an ongoing programmatic roll-out
Explanation:
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