Chemistry, 15.12.2019 17:31 bellj9672

When is the principle of conservation of mass true? a. only for reactions that take place in open systems. b. only for reactions that take place in closed systems. c. for reactions that involve solids, but not gases. d. for reactions in both open and closed systems.

Answers: 1

Show answers

Another question on Chemistry

Chemistry, 22.06.2019 01:30

2. how is heavy water different from normal water

Answers: 1

Answer

Chemistry, 22.06.2019 02:40

How many liters of hydrogen gas will be produced at stp from the reaction of 7.179×10^23 atoms of magnesium with 54.219g of phosphoric acid (h3po4) the equation is 3mg + 2h3(> mg(po4)2+3h2

Answers: 1

Answer

Chemistry, 22.06.2019 22:30

Which of the following molecules is polar? c3h7oh c2h5cooh

Answers: 1

Answer

Chemistry, 23.06.2019 02:00

What causes the appearance of lines in a emission spectrum

Answers: 1

Answer

You know the right answer?

When is the principle of conservation of mass true? a. only for reactions that take place in open s...

Questions

History, 29.03.2021 16:00

Which of the following was a similarity between ghana and mali a. they both had democratic governments b. they both grew powerful throug...

Mathematics, 29.03.2021 16:00

2 · y - 8 ÷ 4 when y = 7...

English, 29.03.2021 16:00

The fact that the mother learns french in my father writes to my mother is an allusion to?...

Biology, 29.03.2021 16:00

ANSWER FOR BRAINLIEST AND 30 POINTS ...

Geography, 29.03.2021 16:00

State whether the following are true or false. If false, correct the statement.1.1The general circulation of the atmosphere is the result...

Social Studies, 29.03.2021 16:00

Today wirdlife is in danger explain...

Engineering, 29.03.2021 16:00

Nitrogen gas enters a turbine operating at steady state through a 2-in.-diameter duct with a velocity of 200 ft/s, a pressure of 50 lbf/in.2 , and a t...

History, 29.03.2021 16:00

• What seemed to be the comparative constraints and priorities that the US military was following as it waged war against Germany and Japan from Janua...

English, 29.03.2021 16:00

In "Excerpt from What Zoo Critics Don’t Understand," how does Jack Hanna distinguish his position (point of view) about animals in captivity from Dr....

French, 29.03.2021 16:00

(avec des si on mettrait Paris en bouteille) cette expressions bien connue, qui évoque une hypothèse irréalisable, a des équivalents dans le monde. Au...

English, 29.03.2021 16:00

In cell one on the website commonlit question 1 part a which statement best describes the main theme of the story...

English, 29.03.2021 16:00

In an online response of no less than 100 words, discuss why Dillard goes to Hollins Pond? Consider the role that nature plays in the author's life. C...

Mathematics, 29.03.2021 16:00

HELP PLSSS What is the area of the figure?

English, 29.03.2021 16:00

In Fallen Angels What information makes simpson angry at captain stewart?...

Business, 29.03.2021 16:00

Box Springs, Inc., makes two sizes of box springs: twin and double. The direct material for the twin is $20 per unit and $40 is used in direct labor,...

World Languages, 29.03.2021 16:00

what are the two adjectives in the sentence? although we usually think of a computer as a stand alone object, there are also embedded computers inside...

Mathematics, 29.03.2021 16:00

How many times larger is 1.2*10^8 than 6*10^3...

Mathematics, 29.03.2021 16:00

In △JKL, the measure of ZL=90°, KL = 11 feet, and JK = 32 feet. Find the measure of ZJ to the nearest tenth of a degree....

Mathematics, 29.03.2021 16:00

Help me with my work, please ...

Biology, 29.03.2021 16:00

A DNA segment has base order CCC ATA GCT. Which copy exhibits a deletion in the first codon triplet and then a substitution mutation? A. CCA ATA GCT B...

More questions: Chemistry Another questions