Homework Answers
Pure substance is the species which is made of only one type of substances ; it is of two type (element and compound) , element is made of only one type of atoms and compound is a mixture of elements in a fixed ratio in chemical form e.g CO2 , H2O etc are compounds.
While mixture of two or more compounds is called mixture .
When all the compounds of mixture are mixed together to give a single appearance then called homogeneous mixture while when individual compounds in the mixture can be seen separately then called heterogeneous mixture .
1.Orange juice (water and pulp) = Mixture , heterogeneous .
2.pure air (mixture of gases) = Mixture , homogeneous .
3. Magnesium (Mg) = pure substance , element.
4. Baking Soda = pure substance , compound.
5. Pacific ocean (water and salt mixture) = mixture , homogeneous.
6. Pure water (H2O) = pure substance , compound .
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ws. Unless you need to edit it's safer to stay in Protected View Enable Editing Alternation of generations describes plant life cycles. There are ſhow many?) generations. • The gametophyte generation begins when the process of forms (ploidy) cells. The gametophyte generation ends when a (ploidy) _ is formed by the process of_ Figure 38.4 Alternation of generations: What are the two generations in the plant life cycle? What is the male gametophyte? Female? The microsporangium in the pollen sac....
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ses. Unless you need to edit, it's safer to stay in Protected View Enable Editing activate now. Reactivate 1. Given an angle of 18°15'02', convert the angle to degrees with decimal rounded to the nearest 0.001" (4 pts.) 2. Given an angle of 48.871", convert the angle to degrees, minutes, and seconds (DMS). Round to the nearest second. (4 pts.) 3. A downhill slope measures 402.22' from point to point D. Both points are on the ground. The elevation at...
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YOU REPELICU Enable Editing can contain viruses. Unless you need to edit it's safer to stay in Protected View 3. Indicate whether the amino acids in the table below are likely to have isoelectric points near pH 6, below pH 6 or above pH 6. 0 H3-C CH-C0° Structure of amino acid H3NCH-0-0 CH-CH3 CH ON CH3 0- Estimated isoelectric point (near pH 6, below pH 6 or above pH 6) SP3 wi
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s you need to edit. It's safer to stay in Protected View. Enable Editing During the last three months (April, May, and June) of the first fiscal year of operations of My Assistant, a few new types of transactions began to occur. These involve different ways the company is paying for some items, different ways the company is being paid, and the earning of interest. In all cases, keep in mind that economic events need to be reported when they...
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ontain viruses. Unless you need to edit, it's safer to stay in Protected View. ntain viruses. Unlessyou need to edit ftstcted View. Enable Editing Editing These problems are from Parallel exercises group B at the end of Ch. 2. A rocket moves through outer space at 12,000 m/s. At this rate, how much time would be required to travel the distance from Earth to the Moon, which is 380,000 km? A rifle is fired straight up, and the bullet leaves...
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iruses. Unless you need to edit, it's safer to stay in Protected View Enable Editing Question 1 Use the following table for this question. Number of Workers Marginal Product 12 2 16 14 Total Product Average Product 10 a. Fill out the columns of the Table b. With which worker do diminishing returns occur? c. Graph the marginal and average product curves. Product 0 1 2 3 4 5 6 L
ws. Unless you need to edit it's safer to stay in Protected View Enable Editing Alternation of generations describes plant life cycles. There are ſhow many?) generations. • The gametophyte generation begins when the process of forms (ploidy) cells. The gametophyte generation ends when a (ploidy) _ is formed by the process of_ Figure 38.4 Alternation of generations: What are the two generations in the plant life cycle? What is the male gametophyte? Female? The microsporangium in the pollen sac....
Lan contain viruses. Unless you need to edit, it's safer to stay in Protected View. Enable Editing 3. Write the equation for the nuclear reaction described in each of the following processes: a.Americium-241(241Am)undergoes alpha decay (inside a smoke detector) b.lodine-131 (131) undergoes normal beta decay (used in therapy for hyperthyroidism) C.Fluorine-18 (18F) undergoes positron emission (one of the radionuclides used in PET scans) 4. a) If an object that was once living died 35,500 years ago, what the exact percentage...
ses. Unless you need to edit, it's safer to stay in Protected View Enable Editing activate now. Reactivate 1. Given an angle of 18°15'02', convert the angle to degrees with decimal rounded to the nearest 0.001" (4 pts.) 2. Given an angle of 48.871", convert the angle to degrees, minutes, and seconds (DMS). Round to the nearest second. (4 pts.) 3. A downhill slope measures 402.22' from point to point D. Both points are on the ground. The elevation at...
Protected View. viruses. Unless you need to edit, it's safer to stay in Enable Ed I 21. Lee had the following income and losses during the current year: $52,000 12,000 Wages Share of S Corporation income Unemployment compensation Group life insurance Prize won from a charity raffle 6,500 35,000 10,000 1,000 What is Lee's adjusted gross income? A) $64,000 B) $71,500 C) $100,000 D) $106,500
YOU REPELICU Enable Editing can contain viruses. Unless you need to edit it's safer to stay in Protected View 3. Indicate whether the amino acids in the table below are likely to have isoelectric points near pH 6, below pH 6 or above pH 6. 0 H3-C CH-C0° Structure of amino acid H3NCH-0-0 CH-CH3 CH ON CH3 0- Estimated isoelectric point (near pH 6, below pH 6 or above pH 6) SP3 wi
s you need to edit. It's safer to stay in Protected View. Enable Editing During the last three months (April, May, and June) of the first fiscal year of operations of My Assistant, a few new types of transactions began to occur. These involve different ways the company is paying for some items, different ways the company is being paid, and the earning of interest. In all cases, keep in mind that economic events need to be reported when they...
ontain viruses. Unless you need to edit, it's safer to stay in Protected View. ntain viruses. Unlessyou need to edit ftstcted View. Enable Editing Editing These problems are from Parallel exercises group B at the end of Ch. 2. A rocket moves through outer space at 12,000 m/s. At this rate, how much time would be required to travel the distance from Earth to the Moon, which is 380,000 km? A rifle is fired straight up, and the bullet leaves...
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you need to edit, it's safer to stay in Protected View. Enable Editing Part 2- Time to Dig Deeper - Doin' Your Research 1. Remember critical thinking is about exposing yourself to OTHER thinking and evaluating it. Now you will RESEARCH the topic. For this you need to find 2 FACTS that support the ban and 2 FACTS that oppose the ban (you can have more but you must have a MINIMUM of two for each). You will not only...
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