subject

Chemistry, 10.12.2021 21:50 maccaudill02

Which of the following always changes when a substance undergoes a chemical change? A. State of matter of the substance.

B. Arrangement of the atoms composing the substance.

C. Color of the substance.

D. Mass of the substance.

ansver

Answers: 2

Show answers

Another question on Chemistry

question

Chemistry, 22.06.2019 10:30

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?

Answers: 3

question

Chemistry, 22.06.2019 13:30

Ants live on acacia trees in south america. the ants feed on sugars secreted by the trees. the trees provide room for the ants to live. the ants sting any other insect or animal that comes to eat the trees. what type of relationship is this?

Answers: 1

question

Chemistry, 22.06.2019 14:50

Complete the following statements to describe solids, liquids, and gases. select the correct answer from each drop-down menu. a solid a definite volume and a definite shape. a liquid a definite volume and a definite shape. a gas a definite volume and a definite shape

Answers: 1

question

Chemistry, 22.06.2019 23:00

In the reaction h2co3 (aq) + 3nh3 (aq) = 2 nh4+ (aq) + co3 2-, how many electrons are transferred?

Answers: 3

You know the right answer?

Which of the following always changes when a substance undergoes a chemical change? A. State of ma...

Questions

question

Mathematics, 06.07.2020 22:01

Which is equivalent equation solved for h? ...

question

Mathematics, 06.07.2020 22:01

Find the values of x and y.

question

Mathematics, 06.07.2020 22:01

The graph below shows the price of different numbers of beach balls at a store: Which equation can be used to determine p, the cost of b beach balls?...

question

Mathematics, 06.07.2020 22:01

WWW 3.The expression "5 FACTORIAL" equals3-A1253-B1203-C253-D10* Select Answer Below...

question

Mathematics, 06.07.2020 22:01

What is the coefficient in the expression 5x2 +3...

question

Biology, 06.07.2020 22:01

Which are parts of a seed...

question

Mathematics, 06.07.2020 22:01

What is the point-slope equation of a line with slope -3 that contains the point (-8,-4)? A. y + 4 = -3(x-8) B. y+ 4 = -3(x+8)

question

Mathematics, 06.07.2020 22:01

Write the equation of each line in slope-intercept form. (If possible please show work)

question

Mathematics, 06.07.2020 22:01

In the first generation there are 4 monkeys on an island. Every generation after that the monkey population doubles. In generation 2 there are 8 monke...

question

Mathematics, 06.07.2020 22:01

Which expression correctly represents “six more than the product of five and a number, decreased by one”?...

question

Mathematics, 06.07.2020 22:01

***BRAINLIEST IF ANSWERED* Which trigonometric ratio is correct for triangle DEF? (Hint: Use Pythagorean Theorem first) * Sin(D)= 24/7

question

Advanced Placement (AP), 06.07.2020 22:01

Which of the following is a basic building block of galaxies? O Stars O Gas O Dust O All of the above...

question

Mathematics, 06.07.2020 22:01

Which statement is a good definition? A. Right angles are angles formed by two intersecting lines. B. Parallel lines are lines that do not intersect....

question

Mathematics, 06.07.2020 22:01

Choose the equations that are not linear equations.

question

English, 06.07.2020 22:01

Blank may include pictures, graphics or symbols...

question

Chemistry, 06.07.2020 22:01

4. Which change to a DNA molecule would have the least effect on an organism? A: an addition to a base sequence at the beginning of a gene B: a...

question

Mathematics, 06.07.2020 22:01

HURRY PLZ!! IF U WANT BRAINLIEST??? When a phone call is placed to the Petrosini residence, there is a 15% chance that it will be answered by Mr. Pet...

question

Mathematics, 06.07.2020 22:01

A ball is released at a height of 8 inches to roll inside a half - cylinder. It rolls to a height of 2 inches on the other side of the cylinder on rol...

question

English, 06.07.2020 22:01

Which sentence indicates the main idea of this diary entry...

question

History, 06.07.2020 22:01

What happened in the Gulf of Tonkin incident in August 1964? A. U. S. forces fired on a North Vietnamese naval base. B. U. S. forces were attacked by...

More questions: Chemistry Another questions