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s2008m [1.1K]
3 years ago
15

A substance with a lower specific heat capacity would:

Chemistry
2 answers:
Nataly [62]3 years ago
8 0

Answer:

Heat up slower and cool down faster

uranmaximum [27]3 years ago
8 0

Answer:

i think 2

Explanation:

i only think 2 i only think

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Does A colloid have properties of both suspensions and solutions?
Aleks [24]
The answer is yes it does .
8 0
3 years ago
Which of the following elements is the smallest?
Oliga [24]

Answer:

Explanation:

The atomic radius of elements are used to estimate the sizes of elements. The atomic radius is taken as half of the inter-nuclear distance between two covalently bonded atoms of non-metallic elements or half of the distance between two nuclei in the solid state of metals.

To solve this problem we will obtain the atomic radius values of the given elements from a standard atomic radius table;

          Si          111 pm

           P          98 pm

          Cl          79 pm

            S           87pm

pm = picometer

We see that chlorine has the least atomic radius

7 0
4 years ago
Read 2 more answers
Need Help On Both Questions !!<br><br> Please help will mark Brainly
posledela

1 is a brain 2 is also a brain it can be other stuff tho but you're welcome

7 0
3 years ago
Consider the following equation for the combustion of acetone (C3H6O), the main ingredient in nail polish remover.
disa [49]

Answer:

a) 4869 kJ will be released

b) 43.86 g of octane

Explanation:

The heat of combustion is the amount of heat released when 1 mol of a substance reacts with enough oxygen .

Since the heat of combustion  is per mol of combustible  substance what we are required to do in  this problem is calculate number moles in the reactions although in a different manner.

a) MW C3H6O = 158 g/mol

mol C3H6O = 158 g x 1 mol/58.08 g = 2.72

-1790 kJ/ mol x 2.72 mol = 4869 kJ

b) Here we are asked the mass of octane to produce 1950 kJ of heat knowing that per mol of octane we get 5074.1 kJ, then

1 mol / 5074.1 kJ   x  1950 kJ = 0.384 mol

mass C8H18 = 0.384 mol x 114.23 g/mol = 43.86 g

4 0
4 years ago
A 445N student eats 50g of Pringles. They feel guilty and decide to climb up some stairs to make up for it. How many flights of
krek1111 [17]

Answer:

808

Step-by-step explanation:

One serving of Original Pringles = 28 g           = 150 Cal  

Pringles  ⟶ Cal     50 g × (150 Cal/28 g)          = 268 Cal

Cal ⟶ J                  268 Cal × (4184 J/1 Cal)      = 1.121 × 10⁶ J

J ⟶ N·m                 1.121 × 10⁶ J × (1 N·m/1 J)      = 1.121 × 10⁶ N·m

N·m ⟶ m                1.126 × 10⁶ N·m/455N         = 2460 m

m ⟶ km                 2460 m × (1 km/1000 m)     = 2.46 km

km ⟶ mi                2.46 km × (0.6214 mi/1 km) = 1.53 mi

mi ⟶ ft                   1.53 mi ×(5280 ft/1 mi)         = 8080 ft

ft ⟶ flights             8080 ft × (1 flight/10 ft)        = 808 flights

The student would have to climb 808 flights of stairs to burn off the energy from 50 g of Pringles [that's equivalent to climbing the stairs in the Salesforce Tower (1070 ft) in San Francisco about 7½ times].

6 0
4 years ago
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