Answers by Freek Wiekmeijer
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Answers by Freek Wiekmeijer

Answers by Freek Wiekmeijer
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The first (IE1) and second (IE2) ionisation enthalpies (kJ mol-l) of three elements I, II and III are given below: Element IE1 IE2 I 403 2640 II 549 1060 III 1142 2080 Identify the element which is likely
answered Nov 28, 2024
4 votes
34.8k views
What is the gravitational potential energy of a 1 kg ball that is 2 meters above the floor? (g=9.8 m/s) 30 9.8 J 19.6 J 29.8 J
answered Nov 21, 2024
5 votes
68.8k views
Demonstrating the properties of rotations, if a line segment with endpoints (0, -3) and (0,-7) is rotated 90° clockwise, what is an endpoint of this rotated segment? O (0, 3) O (3,0) O (-3,0) 0 (0,7)​
answered Jul 17, 2024
4 votes
226k views
The demand curve for a product is Q = 50 – 0.5P. What is the price elasticity of demandat a price of $60?
answered Mar 6, 2024
7 votes
148k views
Chang took 4 1/4 hours to clean the kitchen. Then he took 1/8 hours to clean the bedroom. How much total time did Chang take to clean the two rooms? Write your answer as a mixed number in simplest form.
answered Feb 28, 2024
4 votes
162k views
When a crane is moving a load, it operates within a ___: if a worker is within that area, he or she could be caught-in-between the crane or its load and either the ground or another piece of equipment.
answered Feb 26, 2024
6 votes
60.2k views
A client with a severe traumatic brain injury has an organ donor card in his wallet. Which nursing action is appropriate? Request a directive form the client's primary health care provider. Ask the family
answered Jan 16, 2024
4 votes
44.5k views
Simplify (4a-3)(a-9)=4a² -39a+27
answered Nov 2, 2023
2 votes
92.1k views
The soviets placed heavy emphasis on being the best at the olympics during the cold war. question 5 options: true false
answered Oct 1, 2023
10 votes
29.3k views
Solve for x. Round to the nearest tenth. ​
answered Aug 11, 2023
7 votes
95.4k views
E) 2 x+$7=$12I need help
answered Jun 30, 2023
1 vote
129k views
5. A man has $ 10,000 to invest. He invests $ 4000 at 5 % and $ 3500 at 4 %. In order to have a yearly income of $ 500, he must invest the remainder at: (a) 6 % , (b) 6.1 %, (c) 6.2 %, (d) 6.3 %, (e) 6.
answered Mar 20, 2023
6 votes
5.4k views
Find the LCM of 2 x 3 x 3 x 5 and 3 x 3 x 5 x 5
answered Feb 18, 2023
4 votes
77.7k views
Which character is the best example of a tragic hero?
answered Nov 5, 2022
3 votes
207k views
Which Mayan agricultural technique required steps to be cut into the hillsides to expand farmable land? terrace farming crop rotation slash and burn multiple harvests
answered Oct 19, 2022
4 votes
58.0k views
Los cuadernos ___ en el pupitre a. son b. están
answered Sep 19, 2022
4 votes
221k views
Please help My 2 brain cells are struggling right now question in picture
answered Jul 8, 2022
9 votes
228k views
Please help My 2 brain cells are struggling right now question in picture
answered Jul 8, 2022
9 votes
228k views
Please help My 2 brain cells are struggling right now question in picture
answered Jul 8, 2022
9 votes
228k views
A fair coin will be tossed three times. The possible outcomes are shown below: HHH HHT HTH HTT THH THT TTH TTT What is the probability that the outcome will be at most two tails? a 37.5% b 50% c 75% d
answered Jul 8, 2022
3 votes
120k views
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