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kvasek [131]
2 years ago
6

Which objects would cause refraction of light? (Select all that apply.)

Chemistry
2 answers:
AveGali [126]2 years ago
8 0
Eyeglasses, magnified glasses, and prisms
Afina-wow [57]2 years ago
7 0

Answer:

glasses and magnifying glass

Explanation:

the glass causes refraction

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HELP!!! What has 5 valence electrons and is in period 3 on the periodic table?
Leona [35]

Answer:

-182

+281

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7 0
3 years ago
An unknown element X has the following isotopes: ⁵²X (89.00% abundant), ⁴⁹X (8.00% abundant), ⁵⁰X (3.00% abundant). What is the
Vlad [161]

Answer:

52 amu

Explanation:

To get the relative atomic mass of the element, we need to take into consideration, the atomic masses of the different isotopes and their relative abundances. We simply multiply the percentages with the masses. This can be obtained as follows:

[89/100 * 52] + [8/100 * 49] + [3/100 * 50]

46.28 + 3.92 + 1.5 =51.7 amu

The approximate atomic mass of element x is 52 amu

6 0
3 years ago
How many significant figures in the number 3.140
Dmitry_Shevchenko [17]
In a number with decimal, zeroes to the right of last non-zero digit are significant.

Hence there are 4 significant digits in 3.140.

Hope this helps, have a great day ahead!

4 0
4 years ago
Read 2 more answers
Limonene is a nonpolar molecule. The water molecules around it form Select one: a. covalent bonds with limonene and entropy incr
pickupchik [31]

Answer:C. Hydrogen Bonds with themselves and entropy decreases.

Explanation:Limonene is a chiral aliphatic Hydrocarbon liquid that is relatively stable as MONOTERPENE which cracks at high temperature to produce ISOPRENE. D-limonene is produced from CITRUS FRUIT through CENTRIFUGAL SEPARATION AND STEAM DISTILLATION. The most widely used conversion of limonene is to CARVONE.

The water molecules around LIMONENE forms Hydrogen Bonds with themselves and entropy of the reaction decreases,the name Limonene was obtained from the PEEL OF LEMON.

6 0
4 years ago
If you needed to make 100 mL of a 0.2 M fruit drink solution from the 1.0 M fruit drink
telo118 [61]

Answer:

We take 20.0 mL of the 1.0 M fruit drink solution and then add 80.0 mL of water to make 100 mL of a 0.2 M fruit drink solution.

Explanation:

Using the rule that: the no. of millimoles of a solution before dilution is equal to the no. of millimoles of the solution after the dilution. (MV) before dilution = (MV) after dilution. M before dilution = 1.0 M, V before dilution = ??? mL. M after dilution = 0.2 M, V after dilution = 100 mL. ∴ V before dilution = (MV) after dilution / M before dilution = (0.2 M)(100 mL) / (1.0 M) = 20.0 mL. So, we take 20.0 mL of the 1.0 M fruit drink solution and then add 80.0 mL of water to  make 100 mL of a 0.2 M fruit drink solution  

8 0
3 years ago
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