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Answers by Piterden

Answers by Piterden
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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
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
2 votes
117k views
If 23 + 37 = 60, does 23+37 + 9 = 60 +9? help me ​
answered Oct 16, 2024
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
0 votes
192k views
Make r the subject of d=r+14
answered May 19, 2024
0 votes
153k views
Round 347 to the nearest hundred
answered Feb 9, 2024
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
3 votes
17.8k views
In photosynthesis what is released as a waste product.
answered Dec 9, 2023
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
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
8 votes
105k views
What is the main idea and theme of “Straw Into Gold: The Metamorphosis of the Everyday"
answered Sep 25, 2023
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
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
4 votes
172k views
GIVING GOOD POINTS FOR THIS PLS HELP
answered Oct 23, 2022
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
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
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
9 votes
187k views
What type of lines makes the letter T? A. perpendicular B. parallel C. neither
answered Jul 6, 2022
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
6 votes
165k views
How many moles are there in 2.30 grams of NH4SO2?​
answered Jun 21, 2022
1 vote
109k views
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