subject

Chemistry, 27.08.2019 13:10 mem8163

Acollection of coins contains 14 pennies, 16 dimes, and 7 quarters. what is the percentage of pennies in the collection? a collection of coins contains 14 pennies, 16 dimes, and 7 quarters. what is the percentage of pennies in the collection?

ansver

Answers: 1

Show answers

Another question on Chemistry

question

Chemistry, 22.06.2019 07:40

22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na,so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g

Answers: 1

question

Chemistry, 22.06.2019 12:30

What metric units would you use to measure the thickness of a key

Answers: 3

question

Chemistry, 22.06.2019 14:00

Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20∘c. what is the molar mass of this gas?

Answers: 2

question

Chemistry, 22.06.2019 14:30

Select all that apply. using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 (s) pb+2(aq) + 2cl -(aq). the concentration of the products yield a ksp of 2.1 x 10-2:

Answers: 2

You know the right answer?

Acollection of coins contains 14 pennies, 16 dimes, and 7 quarters. what is the percentage of pennie...

Questions

question

Mathematics, 16.12.2020 16:10

Pedro diseña camisetas y las vende a través de su página web. Un cliente le ha hecho un pedido especial: tiene que hacer un número determinado de cami...

question

English, 16.12.2020 16:10

1. Why does Adams call the Boston Tea Party uprising a "magnificent movement"? 2. How does he see the two sides in the uprising? 3. Why does Adams arg...

question

Engineering, 16.12.2020 16:10

1. The entrapment of gas pockets in a weld will cause...

question

Mathematics, 16.12.2020 16:10

What is an equation of the line that passes through the point (−1,−3) and is parallel to the line 6x-y=1...

question

Computers and Technology, 16.12.2020 16:10

Write a program that asks the user for a word. Next, open up the movie reviews. txt file and examine every review one at a time. If a review contains...

question

Mathematics, 16.12.2020 16:10

. You can buy 2 ice cream cones for $3.00 or 4 ice cream cones for $7.00. Which is the better buy? *Hint: First write the rate as a fraction. Remember...

question

Business, 16.12.2020 16:10

Vaughn Company made a purchase of merchandise on credit from Ivanhoe Company on August 8, for $8900, terms 2/10, n/30. On August 17, Vaughn makes the...

question

Advanced Placement (AP), 16.12.2020 16:10

True or False: The greatest threat to biodiversity is invasive species...

question

Chemistry, 16.12.2020 16:10

A red-colored female New Hampshire Red chicken mated with a red-colored male New Hampshire Red chicken and produced golden-colored offspring. Which st...

question

Biology, 16.12.2020 16:10

What is the relationship between DNA and protein in a cell? Group of answer choices Protein is composed of DNA that is stored in the cell...

question

Mathematics, 16.12.2020 16:10

-10×5+5=-9×5 is this a true or false statement...

question

Mathematics, 16.12.2020 16:10

Approximate the percent of values on the box and whisker plot that lie below 68? 25 49 50 75...

question

Chemistry, 16.12.2020 16:10

Sulfur dioxide gas reacts with oxygen to form sulfur trioxide gas, as represented by the equation2 SO2(g) + O2(g) <>2 SO3(g) ∆H = −197.8 kJ In o...

question

Chemistry, 16.12.2020 16:10

A metal ion uses d2sp3 orbitals when forming a complex. What is its coordination number and the shape of the complex?...

question

Mathematics, 16.12.2020 16:10

You are standing at the edge of a cliff. You look down with an angle of depression of 20 degrees and see a a dog at the bottom that is 130 feet away f...

question

Mathematics, 16.12.2020 16:10

A line passes through the point (6,-2) and has a slope of -3/2...

question

Social Studies, 16.12.2020 16:10

American society supports science for many reasons. As we discussed in class, the most important is:...

question

Biology, 16.12.2020 16:10

If a double-stranded segment of DNA has been found to have 23 purines and 15 thymines, how many guanines are there?...

question

Business, 16.12.2020 16:10

Suppose you are talking to both a recent college graduate who does not have much money in his budget for retirement savings and a 40-year-old employee...

question

English, 16.12.2020 16:10

You just bought a house and it has a pool in the backyard. You are trying to get things ready. You decided that you need a solar cover to keep the poo...

More questions: Chemistry Another questions