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Y_Kistochka [10]
3 years ago
13

Using the diagram of the forces on an airplane, which arrow represents the force of gravity?

Chemistry
1 answer:
SSSSS [86.1K]3 years ago
8 0

Answer:

Is there a diagram that you can post

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How would an increase in total expenditures affect the nation's economy? A. It would cause an expansion. B. It would cause stagn
Black_prince [1.1K]

Answer:

A. It would cause an expansion

Explanation:

Study Island told me the answer ;)

7 0
3 years ago
Plants use sunlight as energy to convert carbon dioxide and water into glucose and oxygen. Which best describes
masha68 [24]

Answer:

The law of conservation of mass indicates the same amount of carbon will be found in the reactants as in  the  products

Explanation:

The expression that best describes this reaction is that the same amount of carbon will be found in the reactants as in the products.

During the process of photosynthesis, carbon dioxide combines with water using solar energy to produce glucose and oxygen.

It can expressed as depicted below:

       6CO₂  +  6H₂O  →  C₆H₁₂O₆  + 6O₂

To validate our choice;

 This is a balanced chemical equation:

        6 moles of carbon is found on the reactant side and also, 6 mole of carbon on the product side.

But Glucose is not found on both sides of the expression

6 0
3 years ago
Read 2 more answers
1. The mass of 6.45 x 1022 atoms C​
Fed [463]

Answer:

\large \boxed{\text{1.29 g}}

Explanation:

We must convert atoms of C to moles of C and then to grams of C.

1. Convert atoms to moles

\text{Moles of C} = 6.45 \times10^{22}\text{ atoms C} \times \dfrac{\text{1 mol C}}{6.022 \times\ 10^{23} \text{ atoms C}} = \text{0.1071 mol C}

2. Convert moles to grams

\text{Mass of C} = \text{0.1071 mol C} \times \dfrac{\text{12.01 g C}}{\text{1 mol C}} = \text{1.29 g C}\\\text{The mass of C is $\large \boxed{\textbf{1.29 g}}$}

7 0
3 years ago
Suppose your bedroom is 21 ft long, 17 ft wide, and the distance from floor to ceiling is 7 ft, 6 in. You need to know the volum
umka21 [38]

Answer:

1. 75.82 m^3 (cubic meters)

2. 75820 L (Liters)

Explanation:

Given data

L = 21 FT

W = 17 ft

h = 7 ft 6 in

Calculation

Formula to calculate volume is:

     V= L×W×h

put the values in formula

      V = 21 ft × 17 ft × 7 ft 6 in

       V = 2677.5 ft

Now we will convert Cubic ft to cubic meters, as we know that 1 cubic meter is equal to 35.3147 cubic feet

      V (m^3) = 2677.5  ÷ 35.3147

      V (m^3) = 75.82 m^3

Now we will calculate liters

as we know that 1 cubic meter is equal to 1000 liters

so multiply the ans. with 1000

    L = 75.82 × 1000

    L = 75820 l

4 0
4 years ago
Use the periodic table to identify the element indicated by each electron configuration by typing in the
EleoNora [17]

Answer:

1s22s22p6: Neon (Ne)

1s22s22p63s23p3: Phosphorous (P)

1s22s22p63s23p64s1: Potassium (K)

1s22s22p63s23p64s2(im not sure what 308 is supposed to be): Calcium (Ca)

1s22s22p63s23p64s23d104p65s24d3: there is no pure element that ends 4d3 that I know of so this can either be Zirconium(Zr) if it ends in 4d2 or Niobium (Nb) if it ends in 4d4

Explanation:

you can look at the periodic table and the trends to find the rough idea of where the electron configuration ends, there are helpful articles and images on these, i attached an image that may help. After that you can look at the atomic number to find the number of electrons for a pure element and use the electron subshell pattern thing to find the exact number

5 0
2 years ago
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