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A 73.0 g sample of an unknown compound contains 12.9 g of hydrogen. What is the percent by mass of hydrogen in the compound? a) 17.7% b) 12.9% c) 73.0% d) 6.5%
asked
Dec 17, 2024
Chemistry
high-school
1
answer
104k
views
The organization responsible for writing and updating the food code is
asked
Dec 12, 2024
Health
high-school
1
answer
99.2k
views
Vigorous activity in the thalamus of schizophrenia patients has been found to be associated with a.hearing voices. affect. c.disorganized speech. d.repetitive rocking motions. Add
asked
Nov 23, 2024
Health
high-school
1
answer
26.5k
views
A skydiver of mass 80 kg jumps from a slow-moving aircraft and reaches a terminal speed of 50 m/s. Calculate the net force acting on the skydiver at terminal speed.
answered
Nov 1, 2024
Business
high-school
1
answer
87.6k
views
Which of the following is an appropriate tip to be followed by men while dressing for an interview? 1) Wearing a suit and tie 2) Wearing casual attire 3) Wearing shorts and flip-flops 4) Wearing a t-shirt
asked
Oct 15, 2024
Social Studies
high-school
1
answer
169k
views
Which of the following statements is INCORRECT? A) Management accounting information is required to comply with generally accepted accounting principles. B) Management accounting information does not require
asked
Aug 12, 2024
Business
high-school
1
answer
140k
views
The table gives molar absorptivity values for caffeine (FM 194.19u) and benzoic acid (FM 122.12u) at several wavelengths. ε (M⁻¹cm⁻¹) 230 nm 240 mn 260 nm 274 nm Caffeine 5 061 3 106 6 351 9 741 Benzoic
asked
Apr 22, 2024
Chemistry
high-school
1
answer
182k
views
1. ¿Estás bien? ¿Cómo hoy? (sentirse)
asked
Apr 10, 2024
Spanish
high-school
2
answers
139k
views
12) Approximate the value of √5.31 using a calculator. √5.31= O2.304343724 O2.50150150 O2.704587212 O Cannot be calculated under the real numbers O 1.89736659
answered
Apr 8, 2024
Mathematics
college
1
answer
48.6k
views
Which of the following BEST describes the actions of a Collateral Duty Safety Officer (CDSO) who reported finding a remarkably clean, hazard-free break area?
answered
Jan 21, 2024
Social Studies
high-school
1
answer
231k
views
Which of the following could be a valid PMF of a random variable X ? Select one: a. P(X=k)=(2ᵏ⁻¹)/(2ⁿ⁻¹)∋k∈{1,2,…,n} b. P(X=k)=1/k∋k∈{2,3,4,…} c. P(X=k)=1/k(k+1)∋k∈{1,2,…,n} d. P(X=k)=1/2ᵏ∋k∈{1,2,…,
answered
Jan 8, 2024
Mathematics
high-school
2
answers
110k
views
9. Alberta Emery can sew a dress in 3 days. Allison Taylor requires only 2 days. If theycombine efforts to fill one order to sew 30 dresses, how long will they take to fill the order?Answer
answered
Sep 26, 2023
Mathematics
college
1
answer
201k
views
What political party was Warren Harding a part of? A. Democratic B. Republican C. Green D. Bull Moose
asked
Sep 10, 2023
History
high-school
2
answers
89.1k
views
Yo help me out? thanks
asked
Aug 20, 2023
Mathematics
high-school
2
answers
131k
views
Find the volume of the figure
answered
Aug 12, 2023
Mathematics
high-school
2
answers
200k
views
Write an equation for the line on the graph below:
answered
May 28, 2023
Mathematics
college
1
answer
180k
views
-2x+4=y ( ,-2) Help Complete the missing value in the solution to the equation
asked
May 13, 2023
Mathematics
college
1
answer
7.5k
views
Where is the atomic number written
asked
Mar 20, 2023
Chemistry
high-school
1
answer
201k
views
I need help with this please and the question is: What are the coordinates of each point in the figure
answered
Mar 17, 2023
Mathematics
college
1
answer
107k
views
Se tienen 500g de alcohol etílico a una temperatura de -40 °C ¿Cuánto calor se necesita para transformarlo a vapor a una temperatura de 150ºC?
asked
Dec 28, 2022
Physics
high-school
1
answer
30.9k
views
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