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What is the formula for copper(II) phosphide? Give your answer in the form A#B# where the number is the subscript.
answered
Dec 9, 2024
Chemistry
high-school
3
votes
140k
views
Engine A receives three times more input heat, produces five times more work, and rejects two times more heat than engine B. Find the efficiency of (a) engine A and (b) engine B.
answered
Nov 14, 2024
Physics
high-school
2
votes
117k
views
If 23 + 37 = 60, does 23+37 + 9 = 60 +9? help me
answered
Oct 16, 2024
Mathematics
college
4
votes
132k
views
What was the purpose of the Monroe Doctrine? A) To establish a strong navy for defense of shipping lanes. B) To prevent European nations from interfering in the Western Hemisphere. C) To enforce a policy
answered
Aug 23, 2024
History
high-school
0
votes
192k
views
Make r the subject of d=r+14
answered
May 19, 2024
Mathematics
college
0
votes
153k
views
Round 347 to the nearest hundred
answered
Feb 9, 2024
Mathematics
college
1
vote
182k
views
There are 118 recognized pure substances that cannot be broken down into more simpler substances these are 118 substances are called
answered
Dec 22, 2023
Physics
college
3
votes
17.8k
views
In photosynthesis what is released as a waste product.
answered
Dec 9, 2023
Biology
high-school
2
votes
183k
views
lesser nobles who were granted their own fief were expected to swear an oath of loyalty to the lord and give ...
answered
Nov 30, 2023
History
high-school
1
vote
139k
views
What horizontal acceleration when it changes velocity to 32 m/s to 12 m/s and two seconds
answered
Oct 18, 2023
Physics
high-school
8
votes
105k
views
What is the main idea and theme of “Straw Into Gold: The Metamorphosis of the Everyday"
answered
Sep 25, 2023
English
high-school
6
votes
230k
views
For the chemical reaction H₂ (g) + F₂ (g) → 2 HF (g) ∆H° = -79.2 kJ/mol. What is the molar enthalpy (in kJ/mol) for the reaction 3 H₂ (g) + 3 F₂ (g) → 6 HF (g)
answered
Aug 8, 2023
Chemistry
college
1
vote
16.7k
views
In this excerpt from Virginia Woolfs Mrs. Dalloway identify the text that makes unconventional use of metaphors what an extraordinary
answered
Dec 11, 2022
English
high-school
4
votes
172k
views
GIVING GOOD POINTS FOR THIS PLS HELP
answered
Oct 23, 2022
Mathematics
college
6
votes
192k
views
Caffeine, a stimulant found in coffee, tea, and chocolate, contains 49.48% C, 5.15% H, 28.87% N and 16.49%O and has a molar mass of 194.2g/mol. Determine the empirical formula and molecular formula of
answered
Aug 20, 2022
Chemistry
college
6
votes
133k
views
Why can a person with blood group A can't donate blood to a person with blood group B
answered
Jul 21, 2022
Biology
college
11
votes
121k
views
HELPPPP PLEASE AND THANK YOUU!! Which inequality is true? O A. 1+4<7 B. 8-TI > 5 O C. 1011 > 30 OD. 2 > 2
answered
Jul 12, 2022
Mathematics
high-school
9
votes
187k
views
What type of lines makes the letter T? A. perpendicular B. parallel C. neither
answered
Jul 6, 2022
Mathematics
high-school
5
votes
134k
views
I MET a traveller from an antique land Who said: Two vast and trunkless legs of stone Stand in the desert ... Near them, on the sand, Half sunk, a shattered visage [face] lies, whose frown, And wrinkled
answered
Jun 25, 2022
English
middle-school
6
votes
165k
views
How many moles are there in 2.30 grams of NH4SO2?
answered
Jun 21, 2022
Chemistry
college
1
vote
109k
views
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