Answer: Two different ways carbon can get from shells to the environment is through limestone, lithosphere, spring of gushing lava, + barometrical CO2. The subsequent method to arrive would be through the maritime CO2, marine creatures + plants, silt, flammable gas, power plants, and afterward environmental CO2.
Explanation:
what formula is used to calculate the volume of a solid object
The formula for calculating the volume of a solid object depends on the shape. We have specific formulas for shapes like cube, cylinder, and rectangular prism. Moreover, the volume can be computed indirectly by dividing the mass by its density.
Explanation:The formula for calculating the volume of a solid object varies depending on the shape of the object. For instance, the volume of a cube is calculated by cubing the edge length (V = s³), whereas the volume of a cylinder is found by multiplying the area of the base by the height (V = πr²h). Similarly, the volume of a rectangular prism can be calculated using the formula V = lwh (length x width x height).
Apart from these, there are formulas for other regular shapes like a sphere, cone, etc. Always ensure conversion to suitable units before calculation.
Nonetheless, in most scenarios, the volume of a substance can be deduced by dividing the mass by its density (V = mass/density).
Learn more about Volume Calculation here:https://brainly.com/question/33318354
#SPJ2
water (h20) is composed of the same element as hydrogen peroxide (h202) how do their properties compare?
They have different properties because the arrangement of atoms is different.
They have the same properties because they have the same atoms.
they have different properties because they have different atoms.
they have the same properties because they have the same arrangement of atoms.
The formation of compound takes place by the combination of two or more different atoms. The combination of atoms takes place in a definite proportions. Compounds with different proportions of atoms have different properties.
Water ([tex]H_2O[/tex]) is composed of the same element as hydrogen peroxide ([tex]H_2O_2[/tex]) that is hydrogen ([tex]H[/tex]) and oxygen ([tex]O[/tex]). The combination of hydrogen and oxygen atoms in water is in [tex]1:2[/tex] ratio whereas the combination of hydrogen and oxygen atoms in hydrogen peroxide is in [tex]2:2[/tex] ratio. So, the properties of water and hydrogen peroxide are different as the arrangement of atoms is different in the compound.
Hence, the correct option is they have different properties because the arrangement of atoms is different.
Why do ionic compounds hve high melting points and boiling points
Answer:
Ionic compounds have high melting and boiling points due to their strong ionic bonding. This is due to the strong electrostatic interactions between positive and negative ions. That's why a large amount of energy is needed to break the bonding between ions.
Explanation:
How does radiant energy work?
PLZ HELP!!!!!
(Creature and depth above or below sea level)
⦁ Hermit crab (2 ft)
⦁ Clam (0 ft)
⦁ Snapper (-10 ft)
⦁ Redfish (-3 ft)
List these from deepest to highest.
Is gold a rock :)...........
In the United States, electrical power plants are the main source of energy for homes and factories. Energy resources provide the electricity you use. Most power plants produce electricity by burning fossil fuels. Which of the following is an example of a fossil fuel?
Answer:
Fossil fuels:
-Coal
-Oil
-Natural gas
ect
Explanation:
Which has more mass a kilogram of bricks or a kilogram of feathers explain
what have chemists done to help people conserve energy?
Answer:
developed insulation
Explanation:
What are some uses of olivine?
If you are mixing a solution in a spray bottle with 15 ounces of water, how much chlorine do you need to add for the correct ratio?
Suppose the liquid water and ice cream did not have solutes dissolved in it. What effect do you think this would have on ice cream ?
What is the cathode
Answer:
The cathode is a negatively charged electrode by which electrons enter an electric device.
What do seed plants and ferns have in common
Final answer:
Seed plants and ferns are both vascular plants with a dominant sporophyte generation and a system of vascular tissues. Ferns are advanced seedless vascular plants with fronds, while seed plants include gymnosperms and angiosperms that bear seeds, with angiosperms also producing flowers.
Explanation:
Seed plants and ferns share several common features as they are both types of vascular plants. Firstly, both have a system of vascular tissues that conduct water and nutrients throughout the plant. This includes the xylem, which carries water, and the phloem, which distributes sugars and other organic compounds. Additionally, both seed plants and ferns exhibit a life cycle with a dominant sporophyte generation, meaning the diploid stage is the more noticeable and long-lived phase. While ferns reproduce through spores and do not produce seeds or flowers, the two groups share an evolutionary background, with ferns representing an important precursor in the evolution of seed plants.
Ferns are distinguished by their large, divided leaves known as fronds, which develop from fiddleheads, and they tend to thrive in moist and shaded environments. Ferns, which emerged during the Devonian period, are some of the most advanced seedless vascular plants. They also have roots and small structures called sori on the underside of the fronds where sporangia are contained. In contrast, seed plants encompass gymnosperms and angiosperms, which bear seeds and in the case of angiosperms, flowers as well. The presence of seeds in seed plants and spores in ferns is a critical difference between the two groups but does not overshadow their vascular plant commonalities.
science question down below
18)
The process of deposition causes
A) rock and soil to slowly be lost.
B) rock and soil to quickly be lost.
C) rock and soil to slowly be gained.
D) rock and soil to quickly be gained.
19)
Roberto's family went to the coast of Georgia. While they were there, Roberto noticed that the rocks close to the water were smooth, and the rocks farther away from the water had more jagged edges. What MOST LIKELY caused the rocks to be smooth instead of rough?
A) birds pecking at the rocks
B) fish swimming over the rocks
C) the sun shining on the rocks
D) waves crashing down on the rocks
20)
Deposition is a process that involves wind carrying sediment and then depositing it in a particular place. One common beach sight formed by deposition is a
A) reef.
B) sand dune.
C) sand castle.
D) barrier island.
21)
batteries properties
Battery Brand average life cost
A 12 hours $0.50
B 18 hours $2.00
C 24 hours $3.50
If a battery is needed for a smoke detector where the biggest priority is for the device to last as long as possible, then which brand is the best choice?
A) Battery A
B) Battery B
C) Battery C
D) All 3 brands are equally good choices.
Eliminate
23)
About 21% of Earth's atmosphere is composed of oxygen. Oxygen can combine with other substances. The chemical reaction of oxygen with other substances is called oxidation and it is a source of chemical weathering. The building on the left has undergone oxidation. Compare the picture on the left with the picture on the right. The building has changed. The rock has changed much like the building.
Describe how the rock on the right has changed over time.
A) Chemical weathering has happened due to acid rain in the area.
B) Oxygen has chemically reacted with minerals in the rock; oxidation has occurred.
C) Water in the atmosphere has caused the rock to rust; it has physically weathered.
D) Physical weathering has taken place and the rock is broken down into smaller pieces.
Eliminate
Answer:
The corrects answers are 18-C / 19-D / 20-B / 21-C
Explanation:
18) The process of deposition causes rock and soil to slowly be gained. Deposition is the geological process in which soil and rocks are added to a landform.
19) Waves crashing down on the rocks cause the rocks close to the water were smooth. This is caused by the continuous wear of the sea waves on the surface of the rock.
20) One common beach sight formed by sand dune. Waves deposit sediments in offshore areas, where they accumulate like sand dunes. This accumulation occurs when waves collide in shallow water.
21)If the priority is for the batteries to last longer, the one with the longest battery life should be chosen. In this case, it is 24 hours.
23) I don't have the picture, so I cant tell you the correct answer.
Have a nice day!
How was urea originally produced in the lab according to the text?
Concentrated sulfuric acid was accidentally added to sucrose.
Friedrich Wohler was working with ammonium cyanate & found crystals of urea in his breakers.
Cobalt chloride was added to water, which produced crystals.
Answer is: Friedrich Wohler was working with ammonium cyanate & found crystals of urea in his breakers.
Urea is an organic compound with chemical formula CO(NH₂)₂
Friedrich Wohler's discovered in 1828 that urea can be produced from inorganic starting materials.
In human body, the source of these two nitrogen atoms are ammonia (NH₃) from nitrogen compounds (mostly metabolism of amino acids) through which excess nitrogen is eliminated from organisms.
This process is called urea cycle, which extracted nitrogenous wastes. The liver forms it by combining two ammonia molecules with a carbon dioxide molecule.
What is two functions of the cytoskeleton?
The following characteristics describe which of these terms? The substance is mixed uniformly throughout and each part of the substance contains the same ratio of materials with the same properties.
A.homogeneous mixture
B. compound
C. heterogeneous mixture
D. pure substance
Answer: The correct answer is (A).
Explanation:
Homogeneous Mixtures are the mixture in which:
Substance is uniformly distributed throughout the medium.Each part of the mixture contains same ratio of the substance.Properties of the substance remains unchanged.For example: Sugar in water, alloys of metals etc.what energy do glow sticks convert to ?
When trees die,they often fall on the ground and decompose.Which part of the earth system includes dead and decomposed trees?
How are atoms and elements related??
Someone help me plz
How does mass affect acceleration due to gravity?
The combustion of 3.42 gg of a compound known to contain only nitrogen and hydrogen gave 9.82g of NO2 and 3.85 g of water. Determine the empirical formula of this compound.
The empirical formula of the compound is NH₂, indicating one mole of nitrogen and two moles of hydrogen in the simplest whole number ratio.
Determining the empirical formula:
1. Set up the equations:
Let x be the mass of nitrogen (N) in the compound.
Let y be the mass of hydrogen (H) in the compound.
We know the total mass of the compound is 3.42 g: x + y = 3.42 g (Equation 1).
2. Balance the combustion reactions:
The combustion of nitrogen forms nitrogen dioxide (NO₂): N + O₂ → NO₂.
The combustion of hydrogen forms water (H₂O): 2 H + 1/2 O₂ → H₂O.
3. Use the combustion reactions to calculate the mass of nitrogen:
From the first combustion reaction, we can relate the mass of NO₂ to the mass of N:
9.82 g NO₂ * (1 mol NO₂ / 46 g NO₂) * (1 mol N / 1 mol NO₂) * (14 g N / mol) = x
This simplifies to x = 2.989 g N.
4. Calculate the mass of hydrogen:
Subtract the mass of nitrogen from the total mass to find the mass of hydrogen: y = 3.42 g - 2.989 g = 0.4313 g H.
5. Convert mass to moles:
Divide the mass of each element by its atomic mass to get the number of moles:
N: 2.989 g / 14 g/mol = 0.2135 mol
H: 0.4313 g / 1 g/mol = 0.4313 mol
6. Find the simplest whole number ratio of moles:
Divide both the number of moles by the smallest number of moles (0.2135 mol for nitrogen in this case):
N: 0.2135 mol / 0.2135 mol = 1
H: 0.4313 mol / 0.2135 mol ≈ 2
7. Write the empirical formula:
Based on the whole number ratio of moles, the empirical formula is NH₂.
Final answer:
The combustion analysis of a nitrogen and hydrogen compound resulted in 9.82g of NO₂ and 3.85g of H₂O, leading to the calculation of moles of N and H and determination of the empirical formula as NH₂.
Explanation:
To determine the empirical formula of the compound containing only nitrogen and hydrogen from the combustion results, we will follow a step-by-step process:
Calculate the moles of NO₂ and H₂O produced from the combustion.Deduce the moles of N and H in the original compound using the stoichiometry of the combustion reaction.Find the simplest whole number ratio of moles of N to H to determine the empirical formula.First, we convert the mass of NO₂ and H₂O to moles:
9.82 g NO₂ / 46.0055 g/mol (molar mass of NO₂) = ~0.2134 moles of NO₂.3.85 g H₂O / 18.01528 g/mol (molar mass of H₂O) = ~0.2138 moles of H₂O.Next, we use the moles of NO₂ to find moles of N (one N atom per molecule of NO₂) and the moles of H₂O to find moles of H (two H atoms per molecule of H₂O):
0.2134 moles NO₂ → 0.2134 moles of N.0.2138 moles H₂O → 2 * 0.2138 = 0.4276 moles of H.Finally, we compare the mole ratio of H to N, which gives roughly 2:1 ratio, indicating that the empirical formula of the compound is NH₂.
3. explain the theory of continental drift.
Answer:
Continental drift was a theory that explained how continents shift position on Earth's surface. Set forth in 1912 by Alfred Wegener, a geophysicist and meteorologist, continental drift also explained why look-alike animal and plant fossils, and similar rock formations, are found on different continents.
Explanation:
Sensations of touch are picked up by nerves in the skin's _____.
- dermis
- epidermis
- fatty layer
- renal layer
If a 60 kg dog is on a 15 kg sled is pushed with a force of 300 N, what will be dogs acceleration? A) 900 N B) 4 kg C) 4 m/s2 D) 0.25 m/s2
Which of the alkali metals are liquids at 50°C?
At sea level, water boils at 100 degrees c, while methane boils at -161 degrees c. Which of these substances has a stronger force of attraction between its particles?
What type of equation is this 4C5H9O+2702➡️20CO2+18H2O