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The reaction C2H6 + Cl2 = C2H5Cl + HCl is best described as a substitution reaction, where a hydrogen atom in ethane is replaced by a chlorine ...Read more

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The solution to the equation is x = 100. To solve the equation x/5 = 20, multiply both sides by 5 to get x = 100. To solve the equation x ...Read more

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11 Feb 2020 — Answer: an equivalent expression for 5(-2x - 3) is -10x-15. We have to find an equivalent expression for 5(-2x - 3). We distribute 5.Read more

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FeCl3​+NaOH→Fe(OH)3​+NaCl ... The balanced equation for the reaction of FeCl3 and NaOH is FeCl3(aq) + 3NaOH(aq) → Fe(OH)3(s) + 3NaCl(aq) ...Read more

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The correct answer is 'tastes' because it is a linking verb that describes the quality of the cake. Using 'is tasting' implies an action rather ...Read more

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Explanation. To solve for x in the equation 64=x3, we want to isolate x by finding the cube root of both sides. ... Thus, the solution to the ...Read more

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The calculation of 45×3 can be approached as repeated addition: 45+45+45, which simplifies to 135. Therefore, 45×3=135.Read more

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The solutions to the equation tan²x - 1 = 0 are x = π/4 and x = 3π/4. How to determine the solutions to the equation.Read more

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The balanced net ionic equation for the reaction between HCl and Pb(NO₃)₂ is Pb²⁺(aq) + 2 Cl⁻(aq) → PbCl₂(s). This equation highlights the ions ...Read more

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Final answer: The reaction CH₃CH₃ + Cl₂ → CH₃CH₂Cl + HCl is a halogenation substitution reaction involving ethane and chlorine to produce ...Read more

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Given the thermochemical equation: 4AlCl3​(s)+3O2​(g)→2Al2​O3​(s)+6Cl2​(g);ΔH=−529kJ. Find ΔH for the following reaction:Read more

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The balanced equation for the chemical reaction Fe + O2 → Fe2O3 is 4Fe + 3O2 → 2Fe2O3. Balancing ensures the same number of atoms for each ...Read more

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The expandable form of (3x+5)² will be 9x²+30x+25. Option C is correct. What exactly is simplification? Simplifying means making something ...Read more

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The following equation describes the hydrolysis of starch to glucose: nH2​O+(C6​H10​O5​)n​→nC6​H12​O6​. How many moles of glucose ...Read more

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The product of 5×9 is 45. Multiplication is an arithmetic operation that adds a number to itself a certain number of times. Here, we calculate ...Read more

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Prove algebraically that the straight line with equation x−2y=10 is a tangent to the circle with equation x2+y2=20. loading. See answer. spark.Read more

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The answer to 7×6 is 42. Multiplication can be understood as repeated addition, simplifying the calculation. Knowing these basic multiplication ...Read more

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To find 5% of 650, convert 5% to a decimal (0.05) and multiply it by 650. This gives you 32.5, which is the answer. So, 5% of 650 equals 32.5.Read more

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The solution to 1×−23 is −23, since multiplying a positive number by a negative number results in a negative output.Read more

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In summary, the expression 4x1/2 is equivalent to 4x ​. This shows how to change an exponent into a square root, which can be useful in various ...Read more

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The x-intercept of the graph of 3x+2y=20 is (320​,0) and the y-intercept is (0,10).Read more

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The fraction \( \frac{4}{5} \) divided by 2 can be expressed as \( \frac{2}{5} \. To find this, we multiply \( \frac{4}{5} \) by its reciprocal ...Read more

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Initially, x is 25 and y is 8. · The expression x += y++ means that the current value of y will be added to x , and then y will be incremented by ...Read more

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The transformation of AB+BC=AC to AB+AB=AC is a misuse of the Substitution Property. The initial equation correctly follows from the Segment ...Read more

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The correct answer is 9/16. Explanation: 56 1/4 = 56.25 56.25%=56.25/100. We can multiply the top and bottom by 100 to move the decimal two ...Read more

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The value of x is 20 in the equation 80 ÷ x = 4. The given equation is eighty divided by x equal to four. 80 ÷ x = 4.Read more

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Use the balanced chemical equation: The equation is: C6​H6​+Cl2​→C6​H5​Cl+HCl This shows a 1:1 mole ratio between C6H6 and C6H5Cl. Therefore, ...Read more

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The solution to the equation 3x+9=0 is x=−3. We isolate the term with x and then divide by 3 to find the value. This results in x=−3.Read more

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Therefore, the value of x is 512. Thus, the solution to the equation x32​=64 is x=512. From the given options, the correct answer is 512​.Read more

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The cross between AaBb X aabb yielded the following results: AB 12.6%; ab 11.9%; Ab 37.4%; aB 38.1%. What is the genotype of the heterozygous ...Read more

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The correct reasoning for finding 14/15 ÷ 7/5 is achieved by multiplying 14/15 by the reciprocal of 7/5. The reciprocal of 7/5 is 5/7. Hence, ...Read more

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The result of 18×3 is 54. This is found by adding 18 three times: 18+18+18=54. Therefore, 18×3=54.Read more

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To calculate 25% of 240, you can convert 25% to a decimal (0.25) and multiply it by 240. The result is 60. Therefore, 25% of 240 is 60. chevron ...Read more

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Evaluate the following limits: (a) limn→∞​cos(2n)=? (b) limn→∞​cos(272)=? where n is a positive integer and I represents real numbers.Read more

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The term x2 represents 'x squared', which means x is multiplied by itself. The term x includes 'x' raised to the first power.Read more

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(2x - 3)² (squared) simplifies to 4x² - 12x + 9. The Breakdown. (2x - 3)² = (2x - 3) × (2x - 3). Using the FOIL method, which stands for ...Read more

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First, isolate the term with y by subtracting x from both sides of the equation. Then, divide both sides by −2 to solve for y.Read more

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Ammonium carbonate ((NH₄)₂CO₃) will decompose in the presence of a strong base like sodium hydroxide (NaOH). In this reaction, the ammonium ...Read more

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Final answer: The chemical reaction Cl2 + Cu → CuCl2 is a single replacement reaction, not a double displacement reaction.

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To use the distributive property to multiply 6 x 7, you can break down 7 into (5 + 2). Then, you multiply 6 by each part of the sum separately ( ...Read more

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This results in x=325​, which simplifies to approximately 8.33 or exactly 831​.Read more

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Explanation · Start with the original equation: 3x−2y=2 · Subtract 3x from both sides: −2y=2−3x · Divide by −2 to isolate y: y=−1+1.5x or ...Read more

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The result of [(−72)÷6]÷3 is −4. First, we divide -72 by 6 to get -12, and then we divide -12 by 3 to get -4.Read more

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The prime factorization of 100 is 2 × 2 × 5 × 5, which can also be written as 2² × 5². This means the correct option is 2 × 2 × 5 × 5.Read more

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Start by marking the y-intercept (0, -3) on the graph. From that point, use the slope to find another point. Moving 2 units to the right (to x = ...Read more

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Find all solutions to the equation. sin(3x)cos(x)−sin(x)cos(3x)=0. on the interval [0,2π]. A. x=0,4π​,2π​,43π​,π,23π​,2πRead more

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Summarizing the Solutions: Therefore, the solutions for 2sinx+1=0 in the interval 0≤x≤360∘ are x=210∘ and x=330∘. chevron down. Examples & ...Read more

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To solve cos(2x)−cos(x)=0, we rewrite it using the identity for cos(2x). This leads to a quadratic equation, which we solve to find the ...Read more

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Multiplying 6 by 5 equals 30. This can be understood as adding 6 together five times, which totals to 30. Therefore, 6×5=30.Read more

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The reaction involving CH2=CH2 + H2 in the presence of nickel is called hydrogenation. This process adds hydrogen to the unsaturated ethylene, ...Read more

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