The standard unit for density is g/cm3 or g/mL.

Answers

Answer 1

Answer: it’s g/cm3 for solids & liquids, and g/ml for gases

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This is the metric unit for measuring volume
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**98 POINTS** Given 1.00 gram of (NH4)2 CO3, how many grams of this sample would be due to hydrogen?

Answers

OP already did it - CONGRATS!!

here are the steps 2 get the same ans:

(NH4)2 CO3 has 2x N, 8x H, 1x C and 3x O per molecule

so its molecular mass = 2x14 + 8x1 + 1x12 + 3x16

=28+8+12+48

=96g

of that 96g, 8x1=8g is due to Hydrogen

so by ratio n proportion, 1.00g will have 1x8/96 = 1/12g = 0.083g of H

Nonmetals make up the largest grouping of elements on the periodic table. answer True or False

Answers

false, nonmetals do not make up the largest grouping of elements on the periodic table

The answer is false metals make up the largest group

A 1.00 g sample of a hydrogen peroxide (H2O2) solution is placed in an Erlenmeyer flask and diluted with 20 mL of 1 M aqueous sulfuric acid. To this solution is added 0.0200 M KMnO4 solution via a buret, until a pale purple color persists. This requires 22.50 mL of KMnO4 solution. What is the percent by mass of hydrogen peroxide in the original solution? (A) 0.613% (B) 1.53% (C) 3.83% (D) 7.65%

Answers

the percent by mass is0.613

Four processes that change rock from one type to another.

Answers

Erosion
waethring
deposition
pressure or heat
all of this can change the form of rock to another

Why does sodium form a 1+ ion but magnesium forms a 2+ ion

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because Na has one too many electron to be stable, while Mg has 2. once they loose those electrons, they will be come ion. loosing one electron will give the ion a 1+ charge, and loosing 2 will create a 2+ charge

The element carbon is present in all organic compounds. Which reason would explain why there are so many different types of organic compounds? A) Carbon is a nonmetal. B) Carbon has an atomic number of six. C) Carbon can form four covalent bonds. D) Carbon has a total of six electrons.

Answers

The answer is d. Since, carbon can form four covalent bonds it can react with other elements to create other organic compounds. The atomic number doesn't prove anything about organic compounds. The atomic number only says what is the charge of the element.

B) Carbon has anatomicnumber of 6
hope it helps
Hugs ~L

Other Questions

Consider the group 1A elements sodium (period 3), potassium (period 4), and rubidium (period 5). What would you predict about the ionization energies of these elements?

An atom of argon rarely bonds to an atom of another element because an argon atom has(1) 8 valence electrons(2) 2 electrons in the first shell(3) 3 electron shells(4) 22 neutrons

An archaeologist discovered some charcoal at an excavation site. He sent the samples to a lab for C-14 dating, knowing that the half-life of C-14 is approximately 5,600 years. The lab reported that the charcoal had 1/8 the amount of C-14 in it that a living sample would have. How many years oldwas the charcoal? A. 700 years B. 1,867 years C. 8,400 years D. 16,800 years E. 44,800 years

1. The speed limit on most city streets is (25 miles). How many meters per minutehouris this?This is a conversion.