2 years ago

Liquids and gases are matter because they take up space and have

1 answer:

8 0

Volume. Gases and liquids are typically measured in milliliters (mL) or cubic centimeters (cm^3) - both of which are equivalent (1 mL = 1 cm^3).

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The pressure inside a pressure cooker is 2.0 atm. How many minutes will it take to cook 1.0 pound of potatoes in a pressure cook

suter [353]

Answer:

time taken to cook on the pressure cooker = 100 seconds = 1.67 mins

Explanation:

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2 years ago

Hydrogen peroxide can decompose to water and oxygen by the following reaction

mestny [16]

To begin calculating, there is one thing you need to remember : $1 mole of H2O2=34.0148 g$
Then we have $5.00g of H2O2=5/34.0148=0.146995$
As you know decomposition of 2moles now has prodused <span>196kj
So, </span><span>q is made due </span> $0.146995 moles of H2O2$ $=(-196/2)*0.146995=-14.40551Kj$
I'm sure it will help.

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2 years ago

Major groups of minerals include _____. oxides and carbonates ions and isotopes inorganics and halides silicates and magnetics

mash [69]

The major groups of minerals includes: carbonate ions and oxides, . In addition to this three groups the following are also the major groups of minerals
native elements
sulfate
sulfides
halides
silicate
nitrate among others such as phosphate and vanadate

3 0

3 years ago

Read 2 more answers

Use what you know about phase changes, mixtures, and chemical reactions to answer the following questions.

saveliy_v [14]

Answer:

D- beaking bread

Explanation:

The trapped carbon dioxide makes the dough rise, and the alcohol evaporates during the baking process this is an irreversible chemical change.

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2 years ago

Magnesium has 2 valence electrons, and oxygen has 6 valence electrons. Which type of bonding is likely to occur between a magnes

ra1l [238]

Magnesium will give two electrons to oxygen and both will become ions.

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2 years ago