There are 24 hours in a day, 60 minutes in an hour, 7 days in a week, and 4 weeks in a month? using these conversions how many minutes are there in 1 month?

(i would appreciate it if someone gave a step by step explanation)

Answer:

B

Whenever there is an interaction between two objects, there is a force upon each of the objects.

Answer:

A

Explanation:

To produce 115g of calcium oxide with an expected yield of 60%, you would need to react 192.5g of calcium hydroxide. This can be calculated by multiplying the desired amount of calcium oxide (115g) by 100 and then dividing by the expected yield (60%).

Calcium oxide, also known as lime or quicklime, is a white alkaline solid produced when calcium carbonate is heated to a high temperature. It is used in a variety of industrial and manufacturing processes, including cement production, steel production, and water treatment.

Calcium oxide is also used in the production of calcium hydroxide, which is used in paper production and as a soil amendment.

Learn more about calcium oxide:

https://brainly.com/question/15358077

#SPJ4

In a reaction sequence involving an alkyne and reagents, step 1) deprotonates the alkyne using a strong base, then forms a new carbon-carbon bond with an electrophilic alkene, and lastly adds an alcohol across the double bond via oxymercuration-demercuration. The major product is an alcohol, but its specific structure depends on the starting materials.

The given reaction sequence involves the following steps:

NaNH₂

Eti H-C=C—H

HgSO₄, H2SO₄, H2O, R-OH

Step 1) involves the treatment of an alkyne with NaNH₂, which is a strong base. The base will deprotonate the alkyne to form an anion.

Step 2) involves the reaction of the alkyne anion with Eti H-C=C—H. The alkyne anion acts as a nucleophile and attacks the electrophilic alkene, forming a new carbon-carbon bond.

Step 3) involves the addition of HgSO₄, H2SO₄, H₂O, and an alcohol (R-OH). This reaction is known as oxymercuration-demercuration and involves the addition of a mercuric acetate (Hg(OAc)₂) across the double bond of the alkene. This forms a mercurinium ion, which is then attacked by water in a nucleophilic addition reaction. Finally, the mercuric acetate is removed by reaction with sodium borohydride, resulting in the formation of the alcohol product.

The major product expected from this reaction sequence is the alcohol formed in step 3). The specific structure of the alcohol cannot be determined without more information about the starting materials.

To know more about the reaction sequence refer here :

https://brainly.com/question/4082154#

#SPJ11

Complete question :

Choose the major product that is expected for the following reaction sequence: 1) NaNH₂ 2) Eti H-C=C—H 3) HgSO H₂SO₄ H₂0 R 0. OH

The Answer Is:

Lanthanides

Answer:

6.624× 10²³ molecules      

Explanation:

Given data:

Mass of KOH = 60 g

Number of molecules = ?

Solution:

First of all we will calculate the number of moles.

Number of moles = mass/molar mass

Number of moles = 60 g/ 56.1 g/mol

Number of moles = 1.1 mol

Now number of molecules are determine by using Avogadro number.  

1 mole = 6.022 × 10²³ molecules

1.1 mol × 6.022 × 10²³ molecules / 1mol

6.624× 10²³ molecules        

Avogadro number:

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.

The number 6.022 × 10²³ is called Avogadro number.

For example,

18 g of water = 1 mole = 6.022 × 10²³ molecules of water

1.008 g of hydrogen = 1 mole = 6.022 × 10²³ atoms of hydrogen

Answer:

Hi... If your distance is 1 meters your answer is 95

But if your distance is 12 that you typed wrong, your answer is 12*95=1140

The null hypothesis (H0) states that the average time it takes smokers to quit smoking is greater than or equal to 16 years, while the alternative hypothesis (Ha) suggests that the average time is less than 16 years.

In the given scenario, the null and alternative hypotheses are as follows:

a) H0: 16 (The average time it takes smokers to quit smoking is greater than or equal to 16 years)

b) Ha: 16 (The average time it takes smokers to quit smoking is less than 16 years)

c) This is a left-tailed test because the alternative hypothesis (Ha) suggests a decrease in the average time to quit smoking.

d) To find the p-value, we need to conduct a statistical test. The test statistic (t-value) can be calculated using the sample mean, population standard deviation, sample size, and the hypothesized population mean (16 years). Using the t-distribution and degrees of freedom (n-1 = 24), the p-value can be determined.

e) Based on the p-value obtained from the test, we compare it to the significance level (α = 0.05). If the p-value is less than α, we reject the null hypothesis. Otherwise, we fail to reject the null hypothesis.

f) In the conclusion, we state whether there is sufficient evidence to reject the claim. If the p-value is less than the significance level (α = 0.01), we can conclude that there is sufficient evidence to reject the claim. However, if the p-value is greater than α, we fail to reject the claim.

Learn more about null hypothesis

brainly.com/question/30821298

#SPJ11

Do these things right away when a chemical splashes on your eye.Use water to irrigate your eye.For the at least 20 minutes, use pristine, lukewarm tap water.Use soap and water to wash your hands.To ensure that no chemicals or soap are still on your hands, thoroughly rinse them.Remove your contacts.

Safety Glasses, goggles, and shields — These products shield the face and eyes from chemical spills.Additionally, they protect them against gases, vapors, and dust.Skin Protection - Clothing items like gloves, boots, & coveralls should be used in order to protect the skin.

Chemical splashes are incidents where dangerous substances unintentionally spill, project, aerosolize, or otherwise disseminate inside a laboratory setting.

To know more about chemical exposure visit:

https://brainly.com/question/29629890

#SPJ4

The percent composition of water  in compound calcium sulfate dihydrate is 20.90%.

Percent composition is defined as a convenient way to record concentration of solution.It is a expression which relates a particular element to compound as,mass of element/mass of compound ×100.There are two types of percentage compositions percent weight by volume and percent volume by volume .

In the given example the weight of water=36 g and that of  calcium sulfate dihydrate  calcium sulfate dihydrate =172.17 g

∴percent composition of water in  calcium sulfate dihydrate =36/172.17×100=20.90%.

Thus, the  percentage composition of water in CaSO₄.2 H₂O is 20.90%.

Learn more about percent composition,here:

https://brainly.com/question/17505281

#SPJ1

The correct answer is: C) fluorescence. The physical process where a chemical absorbs light at one wavelength and emits it at a specific and longer wavelength is called fluorescence.

Fluorescence occurs when a molecule absorbs photons of higher energy (shorter wavelength) and undergoes an electronic transition to an excited state. This excited state is typically unstable, and the molecule subsequently releases the excess energy in the form of emitted photons with longer wavelength (lower energy). The emitted photons in fluorescence have a characteristic and longer wavelength, resulting in a distinct color or fluorescence emission spectrum for different substances.

This property is widely utilized in various scientific and technological applications, including imaging techniques, chemical analysis, biological assays, and fluorescent labeling.

To know more about fluorescence, click here:-

https://brainly.com/question/31975275

#SPJ11

Answer:

2 second

Explanation:

yes

Answer:

that isn't a full equation but I will assume this is = to 0

that makes x 30.95

Explanation:

The fundamental idea behind Sahli's acid haematin technique is that hemoglobin is changed into acid haematin by the action of HCl, which results in a brown color.

The International Committee for Standardization in Haematology recommends the direct cyanmethaemoglobin method2 as the method that is most frequently used to estimate hemoglobin quantitatively. It is comparatively easy and inexpensive, because it involves the creation of cyanmethaemoglobin, a stable compound3. Blood's hemoglobin content can be found out using Sahli's method. The haemoglobin content of blood samples is determined using Sahli's haemoglobinometer by converting hemoglobin to hematin acid, which is then diluted to produce hematin acid that matches the comparator's color.

Learn more about hemoglobin here:

https://brainly.com/question/15011428

#SPJ4

Answer:

volume = 0.013 m³

Explanation:

The question asks us to calculate the volume of 0.58 moles of H₂ gas at STP.

To do this, we must use the ideal gas equation:

\(\boxed{pV = nRT}\),

where:

• p = pressure in Pa

• V = volume in m³

• n = number of moles

• R = molar gas constant (8.31 Jkg⁻¹K⁻¹)

• T = temperature in K

From the question, we know that the number of moles of H₂ is 0.58. Therefore,  n = 0.58. We also know that the volume is asked for when the gas is at STP, therefore: T = 273 K, and p = 101.3 × 10³ Pa.

Using this data and the formula above, we can calculate the volume of the gas:

pV = nRT

⇒ 101.3 × 10³  ×  V = 0.58 × 8.31 × 273

⇒ V = \(\frac{0.58 \times 8.31 \times 273}{101.3 \times 10^3}\)

⇒ V = 0.013 m³

Therefore, the volume of the gas is 0.013 m³.

The redox reaction which would most likely occur if silver and zinc metal were added to a solution that contained silver and zinc is Zn + Ag\(^+\) \(\rightarrow\)Zn\(^2+\) + 2 Ag .

Redox reactions comprise of two parts a reduced part and an oxidized part, which occur simultaneously . The part which is reduced gain electrons and hence there is a increase in oxidation state of the species.

While, the part which is oxidized looses electrons and hence there is a decrease in oxidation state of the species.During redox reactions, there is no net change in the number of electrons . Electrons which are given off in oxidation are used up in reduction.

The ion or molecule which accepts electrons is called as oxidizing agent while the ion or molecule which donates electrons is called as a reducing agent.

Learn more about redox reactions,here:

https://brainly.com/question/13293425

#SPJ1

Science is how we make sense of the world by collecting data and doing experiments. Scientific ideas change over time as our evidence improves. The more experiments we do and the more data we collect, the better our scientific ideas become.

The correct list of three methods of heat transfer is conduction, convection, and radiation. The correct option is B.

A phenomenon known as "heat transfer" occurs when heat is transferred between two physical objects. High temperatures always transfer heat to lower temperatures. A hot body always loses heat to a cool body. Conduction, convection, and radiation are the three processes involved in the transport of heat.

Heat is conveyed via conduction when two things are in direct touch with one another. Convection is the process by which heat is moved within the fluid. Without the usage of particles, electromagnetic waves carry heat during radiation. The heat transfer is triggered by the temperature difference.

Thus, the correct option is B. conduction, convection, and radiation.

To learn more about heat transfer, refer to the link:

https://brainly.com/question/13433948

#SPJ6

Answer:

True

Explanation:

Phislosophy does not accept something even though it is a khown fact unless it can proves it's true .

Descartes sais that in philosophy we must doubt the facts we khow , we must start from the beginning to reach the truth

Answer:

cuboid has 8 vertices

clown cap has a cone shape

Explanation:

Answer:

The average atomic mass of neon20.18 amu.

The mass number is the atomic mass rounded to a whole number.

The mass number, can be regarded as the atomic mass number or nucleon number, which can be seen as the total number of protons  as well as neutrons in an atomic nucleus however if it is  approximated , it can be considered to be equal to the atomic mass of the atom expressed in atomic mass units.

It should be noted that the mass number is established by rounding the atomic weight to the nearest whole number.

Learn more about mass number at:

https://brainly.com/question/12184564

#SPJ1

The wavelength of the emission line emitted by the hydrogen gas in a gas discharge tube with potential difference 11.5V is 656.3 nm.

Given that, energy level i.e n = 1 .

Here, we have to determine the wavelength of the emission line.

By Using the Rydberg formula for the spectral lines of hydrogen gas, we get,

1/λ=R(1/n₁²-1/n₂²)

Where, R = Rydberg constant = 1.0968 x 10⁷ m⁻¹

n₁=1, n₂=2.

We have to find λ

=> 1/λ = 1.0968 x 10⁷ m⁻¹ (1/1² - 1/2²)

=> λ = 656.3 nm

Therefore, the wavelength of the emission line is 656.3 nm.

To know more about emission lines here

https://brainly.com/question/14617989

#SPJ4

Answer:

3.125g/mol

Explanation:

To find the molar mass of the gas, we need to initially find the number of moles (n) contained in the gas. To find the number of moles, we use the general gas law whose equation is:

PV=nRT

Where; P= Pressure

V= Volume occupied by gas

n= number of moles

R= general gas constant

(0.0821 L atm mol/K)

T= absolute temperature

According to the question; P= 2.0atm, V= 2.0L, n= ?, T= 298K

To find n, we make it the subject of the formula:

n= PV/RT

n= 2.0 × 2.0 / 0.0821 × 298

n= 4/ 24.4658

n= 0.16mol

If number of moles (n) of the gas is 0.16mol and it weighs 0.500g, its molar mass can be found using:

number of moles (n) = mass (g) / molar mass

Making MM subject of the formula;

molar mass = mass / number of moles

MM= 0.500/0.16

MM= 3.125

Hence, the molar mass of the gas is 3.125g/mol.

One chewable tablet of the antacid maalox contains 600. Mg of caco3. Enter the neutralization equation Part B One chewable pill of the antacid Maalox incorporates 600 mg of CaCO3 CaCO3(s)+2HCl(aq)→CaCl2(aq)+H2O(l)+CO2(g)

Part C Calculate the milliliters of belly acid neutralized through capsules of Maalox.

Read more about neutralization :

https://brainly.com/question/23008798

#SPJ4

Answer:

3.065 x 10^-24

Explanation:

hope this helps

we have shown that 1 kg L^-1 is equivalent to 1 g cm^-3. Both units represent the same value of density, just expressed in different units.

To demonstrate that kilograms per liter (kg L^-1) and grams per cubic centimeter (g cm^-3) are equivalent units of density, we can use the fact that 1 liter is equal to 1000 cubic centimeters.

Density is defined as mass divided by volume. In this case, we are comparing the density units in terms of mass per unit volume.

Let's consider the following conversion factors:

1 kilogram (kg) = 1000 grams (g)

1 liter (L) = 1000 cubic centimeters (cm^3)

Now, let's convert the units of density from kg L^-1 to g cm^-3:

Density in kg L^-1:

1 kg / 1 L

To convert kg to g, we multiply by 1000:

1 kg / 1 L * 1000 g / 1 kg

Simplifying, we have:

1000 g / 1 L

Since 1 L is equivalent to 1000 cm^3, we can rewrite the density in terms of g cm^-3:

1000 g / 1000 cm^3

Simplifying further, we get:

1 g / 1 cm^3

Therefore, we have shown that 1 kg L^-1 is equivalent to 1 g cm^-3. Both units represent the same value of density, just expressed in different units.

To know more about density click this link -

brainly.com/question/29775886

#SPJ11

The spontaneity of a reaction is determined by the Gibbs free energy change (∆G), which is a measure of the system's ability to do work.

The equation that links ∆G, ∆H, and ∆S is: ∆G = ∆H - T∆S, where T is the temperature in Kelvin and ∆H and ∆S are the enthalpy and entropy changes, respectively. The signs of ∆H and ∆S determine whether the reaction is exothermic or endothermic and whether it is entropy-driven or enthalpy-driven, respectively.

If ∆G is negative, the reaction is spontaneous, meaning it occurs without the input of energy.The given reaction has a ∆H of 23.25 kJ and a ∆S of 161.26 J/mol∙K.

First, we need to convert the units of ∆S from J/mol∙K to kJ/mol∙K by dividing by 1000.∆S = 161.26 J/mol∙K ÷ 1000 = 0.16126 kJ/mol∙K Substitute the values into the equation to determine the spontaneity of the reaction:

∆G = ∆H - T∆S∆G = (23.25 kJ) - (298 K) x (0.16126 kJ/mol∙K)∆G = 23.25 kJ - 48.02 kJ∆G = -24.77 kJ Since ∆G is negative, the reaction is spontaneous.

To know more about Gibbs free energy refer here: https://brainly.com/question/13795204#

#SPJ11

The given chemical equation can be balanced as: CH4 + 2O2 → CO2 + 2H2OTherefore, the balanced chemical equation for the reaction between 46 g of CH4 and 32 g of O2 is:CH4 + 2O2 → CO2 + 2H2OMoles of CH4 = (46 g)/(16.04 g/mol) = 2.87 molMoles of O2 = (32 g)/(32 g/mol) = 1 mol.

Moles of CH4 = (46 g)/(16.04 g/mol) = 2.87 molMoles of O2 = (32 g)/(32 g/mol) = 1 molFor the given reaction, one mole of CH4 reacts with 2 moles of O2. Therefore, 2.87 moles of CH4 would react with 2 × 2.87 = 5.74 moles of O2. As we can see from the given values, only 1 mole of O2 is present. Hence, O2 is the limiting reactant.The balanced chemical equation for the reaction between 46 g of CH4 and 32 g of O2 is:CH4 + 2O2 → CO2 + 2H2OOn

The basis of the balanced chemical equation, 2 moles of O2 is required for one mole of CH4. Here, the moles of O2 is lesser than 2 times the moles of CH4, which means O2 is the limiting reactant and CH4 is the excess reactant. Hence, 32 g of O2 will react completely with 1 mole of CH4, and 14.14 g of CO2 and 4 g of H2O will be produced as per the stoichiometry.

To know more about chemical equation visit:

https://brainly.com/question/28792948

#SPJ11