subject

Chemistry, 03.04.2021 06:30 Imamdiallo18

12. When a 120 g sample of aluminum is placed in 250 g of water the temperature increases from 25°C to 115°C. Find the energy per gram of aluminum. A. Find the percent efficiency per gram if the theoretical yield was 8500 J/g.

ansver

Answers: 2

Show answers

Another question on Chemistry

question

Chemistry, 22.06.2019 02:00

What is the number of atoms in 3.54 mol s

Answers: 1

question

Chemistry, 22.06.2019 03:30

Predict the products butane (c4h10) + oxygen —>

Answers: 1

question

Chemistry, 22.06.2019 06:40

Three alkali metals in group 1 are a. calcium, strontium, barium b. boron, aluminum, gallium c. sodium, potassium, rubidium d. fluorine, iodine, chlorine

Answers: 1

question

Chemistry, 22.06.2019 07:00

The organism shown is a free-living one that is anchored to the bottom of ponds and streams during one stage of its life cycle what is the common name for the group to which this organism belong

Answers: 3

You know the right answer?

12. When a 120 g sample of aluminum is placed in 250 g of water the temperature increases from 25°C...

Questions

question

Chemistry, 19.03.2020 03:07

An initial mixture of nitrogen gas and hydrogen gas is reacted in a rigid container at a certain temperature by the reaction 3H2(g) +N2(g)...

question

Business, 19.03.2020 03:07

An office manager will spend a total of 30,000 on computers at $1500 each and printers at $1200 each. Write the number of computers purchased as a fun...

question

Physics, 19.03.2020 03:07

An object with uniform circular motion travels in a circle with a constant speed. If you were to glue a golf ball to a string & swing...

question

Mathematics, 19.03.2020 03:07

The power function y = ax^b is shown graphed below. Which of the following must be true about the values of a and b? (1) a must be negativ...

question

Mathematics, 19.03.2020 03:07

Stephanie ran 1 lap in 6 minutes. At this rate, how far would she run in 30 minutes?...

question

Mathematics, 19.03.2020 03:07

If someone who is 5 feet tall uses a potato gun to shoot a potato in the air at 100 feet per second, we can use the function f(x) = -16x2 + 100x...

question

Business, 19.03.2020 03:07

Why does efficiency drive the price down in a purely competitive market?...

question

Chemistry, 19.03.2020 03:07

How do hydrogen bonds directly affect and/or explain a substance’s physics properties? (IMF)...

question

Mathematics, 19.03.2020 03:08

Ngle BCD is a circumscribed angle of circle A. Angle BAC measures 53°. Circle A is shown. Line segments B A and D A are radii. Tangents B...

question

Mathematics, 19.03.2020 03:08

3/4 x 14/9 in simplest form...

question

Mathematics, 19.03.2020 03:08

Please solve the worksheet. (factoring trinomials)

question

English, 19.03.2020 03:08

Which statement provides the best introduction to the passage? . Carver, one of America's most famous agricultural scientists, is known for his resear...

question

History, 19.03.2020 03:08

While Theodora is one of the most_women in history...

question

Chemistry, 19.03.2020 03:08

Use the electronegativities in the periodic table above to determine which bonding pair forms polar covalent bonds. A) Lithium and Oxygen ...

question

Business, 19.03.2020 03:08

Below is a set of projects aimed at cleaning up a city's recreational areas. Determine whether the city should undertake the cleanup effort. As...

question

Biology, 19.03.2020 03:08

What of these is a unimportant detail that does not belong in a summary iready...

question

History, 19.03.2020 03:08

1 es were dissatisfied with this arrangement. Twice in recent memory, they had been invaded by Germany, and they had no interest in promot...

question

Mathematics, 19.03.2020 03:08

On Saturday, 45% of the music Brianna listened to was country songs. She listened to 27 country songs on Saturday. How many songs did Brianna li...

question

Chemistry, 19.03.2020 03:08

A substance has a freezing point of -38°c and a boiling point of 356°c. At what temperature would this substance be in its liquid state...

question

Mathematics, 19.03.2020 03:08

Find two numbers x and y such that a) 2x+y=100 and A=2x+2xy+y is maximized b) 2x+4y-15=0 and B= √x2+y2is minimized. Note that in this case, minimizing...

More questions: Chemistry Another questions

Questions on the website: 13722363