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Explain why the diffraction grating produces a pattern of coloured bands.
asked
Sep 9, 2023
Physics
college
1
answer
2
votes
52.2k
views
When the volume of a gas is changed from 1146 mL to 765 mL, the temperature will change from __ K to 640 K
asked
May 22, 2023
Chemistry
college
1
answer
15
votes
139k
views
Mark is investing his money. he thinks that he should make $10 for every $100 he invests. how much does he expect to make on an investment of $500?
asked
Mar 14, 2023
Mathematics
high-school
1
answer
3
votes
29.5k
views
Which model best represents the process of vegetative propagation?
asked
Feb 13, 2023
Biology
high-school
1
answer
0
votes
226k
views
Who invented math and how we know the right
asked
Dec 22, 2022
Mathematics
high-school
1
answer
11
votes
22.4k
views
36-0.57 please show the step by step
asked
Nov 23, 2022
Mathematics
college
2
answers
3
votes
122k
views
A sector of a circle has an arc length of pi cm and a central angle of pi over 6 radians. What is the area of the sector?
asked
Sep 20, 2022
Mathematics
high-school
1
answer
2
votes
139k
views
2/5÷3/4 what’s the answer ?
asked
Sep 18, 2022
Mathematics
high-school
2
answers
0
votes
48.3k
views
The following are the ages (years) of 5 people in a room: 22 , 23 , 25 , 17 , 18 A person enters the room. The mean age of the 6 people is now 24. What is the age of the person who entered the room?
asked
Jul 21, 2022
Mathematics
high-school
1
answer
1
vote
221k
views
Bromine, a brick red liquid, has a density of 3.12 g/mL at room temperature. What is the mass of 25.6 mL of bromine?
asked
Jul 6, 2022
Chemistry
college
1
answer
5
votes
149k
views
The law of conservation of mass says that * O mass before a reaction is the same as the mass after a reaction O mass before a reaction is more than mass after a reaction mass before a reaction is less
asked
May 12, 2022
Chemistry
high-school
1
answer
2
votes
196k
views
Write the symbol for every chemical element that has atomic number less than 13 and atomic mass greater than 17.2 u.
asked
Apr 4, 2022
Chemistry
college
1
answer
2
votes
70.9k
views
Solve the equation for y. Then find the value of y for each value of x. y + 4x = 9; x = -2,0, 4 Solve the equation for y.
asked
Nov 8, 2021
Mathematics
college
1
answer
0
votes
62.6k
views
Consider the mechanism. Step 1: 2 A ⟶ B + C slow Step 2: B + C ⟶ E fast Overall: 2 A ⟶ E Determine the rate law for the overall reaction, where the overall rate constant is represented as k .
asked
Oct 14, 2021
Chemistry
middle-school
1
answer
2
votes
203k
views
The table shows the derivation of tan(2x). Select the correct reason for each step. Reason 1 is: Reason 2 is: Reason 3 is:
asked
Sep 5, 2021
Mathematics
high-school
2
answers
3
votes
120k
views
* IN YOUR OPINION * would humans be able to understand different cultures more easily if everyone only spoke one language
asked
Jul 15, 2021
History
high-school
2
answers
1
vote
52.5k
views
The tub of a washer goes into its spin cycle, starting from rest and gaining angular speed steadily for 9.00 s, at which time it is turning at 6.00 rev/s. At this point, the person doing the laundry opens
asked
Jun 2, 2021
Physics
college
2
answers
0
votes
84.2k
views
What were the advantages and disadvantages to Pastoralism
asked
May 5, 2021
Advanced Placement (AP)
high-school
1
answer
4
votes
115k
views
A newspaper reported that in one year the United States imported goods from China worth a total of 385 billion dollars. What is 385 billion written in scientific notation?
asked
Mar 11, 2021
Mathematics
middle-school
1
answer
3
votes
118
views
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