3 years ago

What is the unit for IMA

Chemistry

1 answer:

Tatiana [17]3 years ago

8 0

Answer:

Newton Joules

Explanation:

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Is sand biotic or abiotic

Vsevolod [243]

Non living things are abiotic so sand is abiotic

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3 years ago

A substance registers a temperature change from 20 to 40 to what incremental temperature change does this correspond

ss7ja [257]

Given:

Initial temperature, T1 = 20 C

Final temperature, T2 = 40 C

To determine:

The temperature change

Explanation:

Convert degree C to Kelvin

Temperature in Kelvin = degree C + 273

T1 = 20 + 273 = 293 K

T2 = 40 + 273 = 313 K

Incremental temperature change = T2 - T1 = 313-293 = 20 K

Ans: The temperature change in kelvin is 20 K

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3 years ago

Given that equation Na+(s)O2–> Na2O. Find the mass of sodium needed to produce 12.5 grams of sodium oxide.

Norma-Jean [14]

Answer: 9.27 g of Na

Explanation:Please see attachment for explanation

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3 years ago

Draw a bond-line structure for CH3CH2O(CH2)2CH(CH3)2. Include Lone Pairs in your answer.

mash [69]

Answer:

See explanation and image attached

Explanation:

A bond line structure refers to any structure of a covalent molecule wherein the covalent bonds present in the molecule are represented with a single line for each level of bond order.

The bond-line structure of CH3CH2O(CH2)2CH(CH3)2 has been shown in the image attached. We know that oxygen has a lone pair of electrons and this has been clearly shown also in the image attached.

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3 years ago

Cubes are three-dimensional square shapes that have equal sides. What is the density of a cube that has a mass of 12.6 g and a m

AysviL [449]

Answer:

0.1828g/cm³

Explanation:

density= mass÷volume

m= 12.6g

v= 4.1×4.1×4.1 = 68.921cm³

•

density= 12.6÷68.921 = 0.1828g/cm³

6 0

3 years ago