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spayn [35]
3 years ago
15

PLEASE I NEED HELP WITH THIS LAST PROJECT!!!!!!

Chemistry
1 answer:
vlabodo [156]3 years ago
6 0

Answer:

1.Borate ions, provided by the borax (hydrous sodium borate), cause the vinyl molecules in the glue to form cross-linked bonds. The process of cross-linking continues to alter the physical properties of the polymer. As more and more bonds are formed, the characteristics of the polymer change.

2.

If we pull the ends of the roll quickly, it will break.

If we roll the slime into a ball and place it on top of the beaker it slowly flow down.

3.When you pull slowly, your slime will stretch. However if you pull quickly it will break. Slime will slowly flow making it seem like a liquid, but it can also bounce which makes it seem a bit like a solid.

4.If we roll the slime into a ball and place it on top of the beaker it slowly flow down. After 30 minutes, slime will settle and behave as a solid, because water evaporates.

5.Yes, the slime ball will be able to bounce.

6.High Density Polyethylene, HDPE : bottle caps, folding tables and chairs, food storage containers, plastic bags, water pipes for domestic water supply. MDPE : shrink film, carrier bags, screws and enclosures. Linear LDPE : toys, lids, buckets, containers, bubble wrap.

Explanation:

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The following five beakers, each containing a solution of sodium chloride (NaCl, also known as table salt), were found on a lab
mixas84 [53]

Answer:

See the answers below

Explanation:

1)  100. mL of solution containing 19.5 g of NaCl  (3.3M)

2)  100. mL of 3.00 M NaCl solution (3 M)

3) 150. mL of solution containing 19.5 g of NaCl  (2.2 M)

4)  Number 1 and 5 have the same concentration (1.5M)

MW of NaCl = 23 + 36 = 59 g

For number 3

          59 g ------------------- 1 mol

           19,5 g -----------------   x

  x = 19.5 x 1/59 = 0.33 mol

Molarity (M) = 0.33 mol/0.150 l = 2.2 M

For number 4,

Molarity (M) = 0.33mol/0.10 l = 3.3 M

For number 5

Molarity (M) = 0.450/0.3 = 1.5 M

4 0
4 years ago
Read 2 more answers
A graduated cylinder was filled to 20.3 mL with water. A solid object weighing 73.05 g was immersed in the water, raising the me
victus00 [196]

The density of the solid object will be 2.63 g/mL

<h3>What is density?</h3>

Density of objects = mass/volume.

Recall that an object will always displace its own volume when placed in a liquid.

Volume of the solid object = Cylinder reading after immersing the object in the water - cylinder reading before immersing the object in the water.

             = 48.1 - 20.4

                  = 27.8 mL

Mass of the solid object = 73.05 g

Density of the object = 73.05/27.8

                                         = 2.63 g/mL

More on density can be found here: brainly.com/question/15164682

#SPJ1

3 0
1 year ago
How many liters are in 5.98 moles of nitrogen gas at STP?
Shtirlitz [24]

Answer:

The correct answer is c) 134L

Explanation:

We use the formula PV =nRT. The normal conditions of temperature and pressure are 273K and 1 atm, we use the gas constant = 0, 082 l atm / K mol.

1 atm x   V = 5, 98 mol x 0, 082 l atm / K mol x 273 K

V = 5, 98 mol x 0, 082 l atm / K mol x 273 K / 1 atm

V = 133, 86828 l

8 0
4 years ago
Match the terms with their correct definition:
geniusboy [140]
<h2><em>1. A</em></h2><h2><em>3. B</em></h2><h2><em>4. C</em></h2><h2><em>7. E</em></h2><h2><em>5. F</em></h2>
7 0
3 years ago
HELP PLS (CHEMISTRY)
IRINA_888 [86]

The first most obvious thing to note is when naming transitional metals, you have to state its charge with roman numerals (except for 1 if I remember correctly). For example, Iron (lll), iron has a charge of 3.

4 0
3 years ago
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